See all October 2017 half marathons across the USA below, or click Race Calendars above to see each state’s calendar. For each race, you’ll find course maps, elevation profiles, reviews and info on how to register.
Sunday, October 1
- Autumn Georgetown 5K & Half Marathon in Washington, DC
- The Bear Chase Trail Half Marathon & 10K in Lakewood, CO
- Bloody Border Dash Half Marathon & 5K in Sylvania, OH
- Blue Steel Stampede 21K & 10K in Parkville, MD
- Boulder Backroads Marathon, Half Marathon & 10K in Boulder, CO
- Brokeman’s Half Marathon, 10 Miler & 5 Miler in Columbus, OH
- Buford Highway International Half Marathon, 10K, 5K & 2-Mile Stroll in Atlanta, GA
- Crush the Marina Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Divas Half Marathon & 5K in Long Island in East Meadow, NY
- Falling Waters Trail Half Marathon, 10K & 5K in Concord, MI
- Grand Country Half Marathon & 5K in Branson, MO
- Greenway Marathon & Half Marathon in Nashville, TN
- H.O.T. Half Marathon & Quarter Marathon in Chico, CA
- Hanover YMCA Half Marathon in Hanover, PA
- Harwich Cranberry Harvest Half Marathon & 10K in Harwich, MA
- Healing Half Marathon & 10K in White Plains, NY
- Heart of Cool Trail Run Half Marathon, 10K & 5K in Cool, CA
- Hemlock Half Marathon & 10K Trail Run in Clifton, VA
- Hero Half Marathon & 10K in Chesterton, IN
- Historic Hillsborough Half Marathon & 5K in Hillsborough, NC
- I Ran Flagship Marathons Series – Mexico in San Antonio, TX
- Key Biscayne Half Marathon in Key Biscayne, FL
- Leaf Peepers Half Marathon & 5K in Waterbury, VT
- Linganore Winecellars Cross Country Classic Half Marathon in Mount Airy, MD
- Lions Turtle Bay Run Three Bridges Half Marathon in Redding, CA
- Maine Marathon, Half Marathon & Relay in Portland, ME
- Mo’ Cowbell Marathon, Half Marathon, Relay & 5K in St. Charles, MO
- Mother Road Marathon, Half Marathon & 5K in Joplin, MO
- New England Half Marathon in Concord, NH
- Northern Ohio Marathon & Half Marathon in Mentor, OH
- OctoHalf Half Marathon in Hatfield, PA
- Peace Officer Memorial Run Half Marathon, 5K & 1K in Modesto, CA
- Prince William Half Marathon in Manassas National Battlefield Park, VA
- Race Through The Woods Half Marathon & 5.5-Mile in Jefferson, ME
- Raven Trail Half Marathon in Coburn, PA
- Ridgefield Pamby Half Marathon in Ridgefield, CT
- Run & Ride Kings Island Half Marathon, Quarter Marathon & 1-Mile in Mason, OH
- Run Michigan Cheap – St. Charles Half Marathon, 10K & 5K in St. Charles, MI
- Smuttynose Rockfest Half Marathon & 5K in Hampton Beach, NH
- Spirit of Survival Half Marathon in Lawton, OK
- Tiburon Half Marathon & 5K in Tiburon, CA
- Urban Cow Half Marathon, Relay & 5K in Sacramento, CA
- Whitefish Trail Legacy Run Half Marathon, 10K & 5K in Whitefish, MT
- Wineglass Marathon & Half Marathon in Corning, NY
- Winthrop Marathon & Half Marathon in Winthrop, WA
Saturday, October 7
- 12:1 Run Half Marathon in Danville, IA
- Adams Mill Covered Bridge Half Marathon & 2-Mile Run in Flora, IN
- Appalachian Series (Day 1) Marathon, Half Marathon, 10K & 5K in Bluefield, WV
- The Barkcamp Race Marathon, Half Marathon & 10K in Belmont, OH
- The Bay Ridge Half Marathon in Brooklyn, NY
- Beulah Challenge Half Marathon, 10K & 5K in Beulah, CO
- Bizz Johnson Marathon, Half Marathons, 10K & 50K in Susanville, CA
- Blitz the Coastline Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Bohemian Alps Endurance Run Half Marathon in Brainard, NE
- Brückeläufe Half Marathon & 5K in Frankenmuth, MI
- Buckeye Trail Run for Blue Blazes Marathon, Half Marathon, 10K & 5K in Shawnee, OH
- Castle Rock Trail Festival Marathon, Half Marathon, 10K, 5K & 50K in Castle Rock, CO
- Charleston Salmon Run in Charleston, OR
- Clark Gardens Half Marathon & 5K in Weatherford, TX
- Corkscrew Half Marathon, 10K & 5K in Tyler, TX
- Durango Double Trail Run Half Marathon & 5K in Durango, CO
- E’Town Fall Classic Half Marathon in Elizabethtown, KY
- Evart – Run Michigan Cheap Half Marathon, 10K & 5K in Evart, MI
- Fall City Half Marathon & 10K in Fall City, WA
- Fort Steilacoom Marathon, Half Marathon, 5K, 10K & 50K in Lakewood, WA
- Frog Hill Half Marathon, 10K & 5K in Waynesville, MO
- Gandy Dancer Marathon, Half Marathon & 5K in Luck, WI
- Glenwood Canyon Shuffle Half Marathon in Glenwood Springs, CO
- Great River Road Run Half Marathon & 5K in Nauvoo, IL
- Hero Run Half Marathon & 5K in Mascoutah, IL
- Hollidaysburg YMCA October Half Marathon, 10K & 5K in Hollidaysburg, PA
- Hoofin’ It For Hunger Half Marathon, 10K & 5K in Miles City, MT
- I Ran Flagship Marathons Series – Iran in San Antonio, TX
- Indy Half Marathon & 5K at Fort Ben in Indianapolis, IN
- Joe English Twilight Challenge Marathon & Half Marathon in Amherst, NH
- Johnstown Race, Rock & Rise Full Marathon, Half Marathon & Relay in Johnstown, PA
- Lake Perry Rocks Half Marathon & 50K in Meriden, KS
- Lake Placid Classic Half Marathon & 10K in Lake Placid, NY
- Lake Tahoe Flume Fall Classic Half Marathon in Incline Village, NV
- Lewis and Clark Trail Run Half Marathon, 10K & 5K in Epping, ND
- Limestone Capital Half Marathon, 5K & 1-Mile Fitness Walk in Bedford, IN
- Little River Canyon Half Marathon in Fort Payne, AL
- Moonlight Miles 10K & Half Marathon in Clifton, CO
- Moraine Hills Run For the Hills Half Marathon & 10K in McHenry, IL
- Pink Series Park City Half Marathon in Park City, UT
- Prairie State Half Marathon & 10K in Long Grove, IL
- Queen Bee Half Marathon in Cincinnati, OH
- Race 13.1 Raleigh Fall Half Marathon, 10K & 5K in Raleigh, NC
- Raptor Ridge Half Marathon & 5K in Escondido, CA
- Rawhide @ Flat Rock Ranch Marathon, Half Marathon, 50-Mile & 10K in Comfort, TX
- Rockaway Marathon, Half Marathon & 5K in Rockaway Park, NY
- Ruffner Mountain Crusher Ridge 42K & 21K in Birmingham, AL
- Run For Pompey Half Marathon in George Town, Bahamas
- Run Like a Girl Half Marathon & 10K in Bellingham, WA
- Run Ocean Isle Beach Half Marathon, 5K & 1-Mile in Ocean Isle Beach, NC
- Sheshequin Path Half Marathon in Sayre, PA
- Sleeping Bear Marathon, Half Marathon & 5K in Empire, MI
- Southern Tennessee Power Classic Half Marathon & 5K in Winchester, TN
- Southernmost Marathon & Half Marathon in Key West, FL
- Sugarloaf Ridge 50K & Half Marathon in Kenwood, CA
- St. Edward Harvest Half Marathon & 10K in Kenmore, WA
- Trail Mix Half Marathon, 10K & 5K in Bentonville, VA
- Under the Oaks Half Marathon, 10K & 5K in Jekyll Island, GA
- Vintage Runs Half Marathon & 5K in Bethel, NY
- ZOOMA Cape Cod Half Marathon & 10K in North Falmouth, MA
Sunday, October 8
- Appalachian Series (Day 2) Marathon, Half Marathon, 10K & 5K in Bluefield, WV
- Bizz Johnson Marathon, Half Marathons, 10K & 50K in Susanville, CA
- Block Island Half Marathon in Block Island, RI
- Blue Mountain Beach Half Marathon & 10K in Santa Rosa Beach, FL
- Boston Athletic Association Half Marathon in Boston, MA
- Boulder Rez Marathon, 3/4 Marathon, Half Marathon & 10K in Boulder, CO
- Canine Classic Half Marathon & Fun Run in Greenough, MT
- Carolina Beach Marathon, Half Marathon & 5K in Carolina Beach, NC
- Cary Fire House Tour Marathon, Half Marathon & 10K in Cary, NC
- Charlottesville Fall Classic Half Marathon & 10K in Charlottesville, VA
- Chris Jarvis Autumn River Run Marathon, Half Marathon & 5K in North Platte, NE
- City of Trees Marathon & Half Marathon in Boise, ID
- City to the Sea Half Marathon & 5K in San Luis Obispo, CA
- Crawlin’ Crab Half Marathon, Relay & 5K in Hampton, VA
- Dayton River Corridor Classic Half Marathon & 5K in Dayton, OH
- Empire State Marathon & Half Marathon in Syracuse, NY
- Great 38 Race Weekend Half Marathon in University, MS
- Healdsburg Half Marathon & 5K in Healdsburg, CA
- Jersey Shore Half Marathon in Fort Hancock, NJ
- Kokanee Trail Runs Half Marathon & 10K in South Lake Tahoe, CA
- Long Beach Marathon & Half Marathon in Long Beach, CA
- Louisville Trail Half Marathon, 10K & 5K in Louisville, CO
- Main Street Half Marathon of Hunterdon in Clinton, NJ
- Marietta McDonald’s Half Marathon in Marietta, OH
- Mohawk Hudson River Marathon & Half Marathon in Schenectady, NY
- Mount Bohemia Trail Running Festival Half Marathon, 10K, 5K & 50K in Mohawk, MI
- Nantucket Half Marathon in Nantucket, MA
- Newport Marathon & Half Marathon in Newport, RI
- NYRR Staten Island Half Marathon in Staten Island, NY
- Ocean Breeze Half Marathon, 15K, 10K & 5K in Santa Monica, CA
- Oktoberfest Half Marathon, 10K & 5K in Snellville, GA
- Oregon Women’s Half Marathon in Eugene, OR
- Paine to Pain Trail Half Marathon in New Rochelle, NY
- Portland Marathon & Half Marathon in Portland, OR
- Portland St. Patrick Fall Festival Half Marathon & 5K in Portland, MI
- Prairie Fire Fall Half Marathon in Wichita, KS
- Race 13.1 Little Rock Half Marathon, 10K & 5K in Little Rock, AR
- Rails to Trails Marathon, Half Marathon & 5K in Norwalk, WI
- Rock ‘n’ Roll San Jose Half Marathon & 10K in San Jose, CA
- Run Crazy Horse Marathon, Half Marathon & Relay in Crazy Horse, SD
- Shades of Death Half Marathon & Devil’s Run in Allamuchy, NJ
- Spokane Marathon, Half Marathon, Relay & 10K in Spokane, WA
- Sun City Half Marathon in Yakima, WA
- Towpath Marathon, Half Marathon & 10K in Sagamore Hills, OH
- Trust Trail Fest Half Marathon in Kennebunkport, ME
- Weekend Warrior Runfest Half Marathon, 10K & 5K in Shelby Township, MI
- Whiskeydaddle Races Marathon, Half Marathon, 5K & Kids Race in Peoria, IL
- Williamsport Marathon, Half Marathon & Relay in Williamsport, PA
- Xterra Marathon of Trail Races in Colorado Springs, CO
Monday, October 9
- Appalachian Series (Day 3) Marathon, Half Marathon, 10K & 5K in Bristol, TN
Tuesday, October 10
- Appalachian Series (Day 4) Marathon, Half Marathon, 10K & 5K in Fletcher, NC
Wednesday, October 11
Thursday, October 12
- Appalachian Series (Day 6) Marathon, Half Marathon, 10K & 5K in Lizella, GA
- Huntsman World Senior Games Half Marathon & 5K in St. George, UT
Friday, October 13
- Appalachian Series (Day 7) Marathon, Half Marathon, 10K & 5K in Eufala, AL
- Lake Tahoe Marathon: Nevada Half Marathon in South Lake Tahoe, CA
- Oakridge Triple Summit Challenge Half Marathon in Oakridge, OR
Saturday, October 14
- AdventureMax Springfield Half Marathon & 10K in Highlandville, MO
- Appalachian Series (Day 8) Marathon, Half Marathon, 10K & 5K in Cottondale, FL
- Arkansas Marathon, Half Marathon, 10K & 5K in Booneville, AR
- Bay to Brews Half Marathon, 10K & 5K in Newport, OR
- Beach Blast Half Marathon, 10 Mile, 10K & 5K in Huntington Beach, CA
- Beach Blast Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Bear Creek Run Half Marathon & Relay in Columbia, MO
- Bemidji Blue Ox Marathon, 26K & Half Marathon in Bemidji, MN
- Bethel Half Marathon & 5K in Canton, NC
- Big Woods Run Half Marathon, 10K & 5K in Faribault, MN
- Buffalo Stampede Half Marathon & 5K in Bryan, TX
- Cannonball Run Marathon, Half Marathon & 5K in Greensboro, NC
- Conquistador Half Marathon in Bradenton, FL
- Crimson Canyons Adventure Runs Marathon, Half Marathon & 43-Miler in Richfield, UT
- Deep Hollow Half Marathon & 5K in Lynchburg, VA
- Deerfield Park Trail Half Marathon, 10K & 5K in Mount Pleasant, MI
- Des Plaines River Trail Marathon, Half Marathon & 50-Mile in Lincolnshire, IL
- Dog Lake Marathon & Half Marathon in Dog Lake, WA
- Escalante Canyons Marathon & Half Marathon in Escalante, UT
- Evansville Half Marathon in Evansville, IN
- Famously Hot Pink Half Marathon, 5K & 10K in Columbia, SC
- Fargo Mini Marathon, 10K & 5K in Fargo, ND
- Gaylord Half Marathon in Gaylord, MI
- Gear Western Country Half Marathon & 5K in Long Lake, MN
- Grand Canyon Half Marathon in Tusayan, AZ
- Griffith Park Trail Half Marathon in Los Angeles, CA
- Hartford Marathon, Half Marathon, Relay & 5K in Hartford, CT
- Harvest Running Festival Half Marathon, 5K & 26K in Landenberg, PA
- Hayden Lake Marathon, Half Marathon & Quarter Marathon in Hayden, ID
- Jacksonville Marine Corps Half Marathon & Freedom 5K in Jacksonville, FL
- Knobstone Trail Mini Marathon, 10K & 5K in Martinsville, IN
- Lake Padden Trail Half Marathon in Bellingham, WA
- Lake Tahoe Marathon: Carnelian Bay Half Marathon in Lake Tahoe, CA
- Lake Shore Lap Half Marathon, 10K & 5K in Au Gres, MI
- Lane Walker Foundation Race Half Marathon, 10K & 5K in Alma, MI
- Layton Marathon, Half Marathon, 10K & 5K in Layton, UT
- LewisGale Salem Half Marathon, 8K & Kids Race in Salem, VA
- Los Vaqueros Tarantula Run Half Marathon, 10K & 5K in Brentwood, CA
- Lowcountry Trail Half Marathon & 5K in Johns Island, SC
- Mahoning Shadow Shuffle Half Marathon in Punxsutawney, PA
- Mountain of Hope Trail Challenge in Mill Hall, PA
- Murfreesboro Half Marathon in Murfreesboro, TN
- Night Light Half Marathon, 10K & 5K in St. Paul, MN
- Ondessonk Trail Races in Ozark, IL
- Petoskey – Run Michigan Cheap Half Marathon, 10K & 5K in Petoskey, MI
- Pumpkin Harvest Half Marathon in Bethel, ME
- Purdue Boilermaker Half Marathon & 5K in West Lafayette, IN
- Rock ‘n’ Roll Brooklyn Half Marathon in Brooklyn, NY
- Run the Rock Marathon, Half Marathon, 10K & 5K in Kodiak, AK
- Run With History Half Marathon, 10K & 5K in Edwards, CA
- Sandhill Crane All Trail Half Marathon in Vandalia, MI
- Scenic Byway Half Marathon & 5K in Belle Plaine, MN
- The Showdown Half Marathon & 5K in Fairview, TX
- SLC Haunted Half Marathon in Salt Lake City, UT
- Soda Screamer Thirteener Half Marathon in Soda Springs, ID
- Sono Half Marathon & 5K in Norwalk, CT
- Sparta Half Marathon & 5K in Sparta, WI
- Tampa Bay Whiskey Run Half Marathon, 10K & 5K in Tampa, FL
- Texas Wine Series at Llano Estacado Half Marathon, 10K & 5K in Lubbock, TX
- Three Eagle Half Marathon & 5K in Three Lakes, WI
- Trapp Lodge Mountain Marathon & Half Marathon in Stowe, VT
- Viking Dash Trail Run: Cleveland Half Marathon, 15K & 5K in Peninsula, OH
- Warren YMCA SuperKwik Challenge Half Marathon in Warren, PA
- WhistleStop Marathon & Half Marathon in Ashland, WI
- Zombie Half Marathon & Kids 2.5K in Anchorage, AK
Sunday, October 15
- 30A Half Marathon & 5K in Santa Rosa Beach, FL
- Angwin to Angwish Trail Run Half Marathon & 10K in Angwin, CA
- Appalachain Series (Day 9) Marathon, Half Marathon, 10K & 5K in Marianna, FL
- Austin Haunted Half in Austin, TX
- Autumn Blast Half Marathon in South Lebanon, OH
- Beach Blast Half Marathon, 15K, 10K & 5K in Huntington Beach, CA
- Brooklyn Greenway Half Marathon & 5K in Brooklyn, NY
- Brooklynite Half Marathon & 18-Miler in Brooklyn, NY
- Craft Classic Half Marathon & 5K in Phoenix, AZ
- Crooked River Half Marathon in Hiltons, VA
- Detroit Free Press Marathon, Half Marathons & 5K in Detroit, MI
- E-Race Cancer Half Marathon & 5K in Bridgeport, NY
- Fall Foliage Half Marathon & 5K in Rhinebeck, NY
- Foster Park Half Marathon, 5K & 10K in Ventura, CA
- Girlfriends Run For a Cure Half Marathon in Vancouver, WA
- GMAA Green Mountain Marathon & Half Marathon in South Hero, VT
- Grand Rapids Marathon, Half Marathon & Relay in Grand Rapids, MI
- Hambletonian Marathon & Half Marathon in Goshen, NY
- Helltown Half in Front Royal, VA
- Hero Half Marathon in Fayetteville, AR
- Hershey Half Marathon & Relay in Hershey, PA
- Honored Hero Run Half Marathon, 10K & 5K in Fort Worth, TX
- Humboldt Redwoods Marathon, Half Marathon & 5K in Weott, CA
- I Ran Flagship Marathons Series – Afghanistan in San Antonio, TX
- IMT Des Moines Marathon, Half Marathon & 5K in Des Moines, IA
- Iron Horse Half Marathon in Midway, KY
- Judgment Day Half Marathon in Bakersfield, CA
- Lake Tahoe Marathon: Emerald Bay Half Marathon in Incline Village, NV
- Maui Marathon & Half Marathon in Kaanapali, HI
- Mount Desert Island Marathon, Half Marathon & Relay in Bar Harbor, ME
- Nationwide Children’s Hospital Columbus Marathon & Half Marathon in Columbus, OH
- Nebraska Marathon, Half Marathon & 5K in Omaha, NE
- New England Harvest Half Marathon in Swansea, MA
- Northshore Half Marathon & 10-Miler in Mandeville, LA
- OCR Seaside Half Marathon & 5K in Seaside Heights, NJ
- The Other Half in Moab, UT
- PNC Milwaukee Marathon, Half Marathon, 10K & 5K in Milwaukee, WI
- Poulsbo Half & 10K in Poulsbo, WA
- Race the Marina Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Reading Hospital Road Run Half Marathon & 5K in Reading, PA
- Rock ‘n’ Roll Denver Half Marathon, 10K & 5K in Denver, CO
- Rock ‘n’ Roll St. Louis Half Marathon, 10K & 5K in St. Louis, MO
- Run for the Hills Half Marathon & 5K in Circleville, WV
- Run for the Schools Half Marathon, 10K & 5K in Iowa City, IA
- Run Michigan Cheap Half Marathon, 10K & 5K – South Haven in South Haven, MI
- Seven Bridges Marathon, Half Marathon & 5K in Chattanooga, TN
- Snohomish River Run in Snohomish, WA
- Spacerock Trail Race Half Marathon, 10K & 5k in Agua Dulce, CA
- Springfield Marathon, Half Marathon, 10K & 5K in Springfield, IL
- St. Brons Marathon & Half Marathon in Plover, WI
- Super Dave’s Down & Dirty Half in Bend, OR
- Tyler Rose Half Marathon & 5-Mile in Tyler, TX
- Virgin Sport SF Bay Half Marathon in San Francisco, CA
Saturday, October 21
- Baltimore Running Festival Half Marathon in Baltimore, MD
- Battle of Hillotes Half Marathon & 10K in Helotes, TX
- Beer-N-Brats Run in Eagle, ID
- Big River Crossing Half Marathon & 5K in Memphis, TN
- Brazen Goonies Half Marathon, 10K & 5K in Vacaville, CA
- Buffalo Creek Half Marathon in Cabot, PA
- Cossatot River Trail Run Half Marathon in Wickes, AR
- Country Sole Half Marathon, 10K & 5K in Chicago, IL
- Crossroads Fall Classic Half Marathon & 10K in Lowell, IN
- Dalton Red Carpet Half Marathon in Dalton, GA
- Danville Half Marathon in Danville, VA
- Eldrith Gosney’s Pure Ultra Half Marathon in Muir Beach, CA
- Flatlander Half Marathon in Great Bend, KS
- Go Commando Half Marathon & 5K in Clarksville, TN
- Gunstock Trails Half Marathon in Laie, HI
- Halloween Half Marathon in Morristown, NJ
- The Halloween Half & 5K in Fort Worth, TX
- Haunted Half Phoenix in Chandler, AZ
- Hot Cider Hustle Half Marathon & 5K in Bloomington, MN
- I Ran Flagship Marathons Series – Albania in San Antonio, TX
- Ironclad Half Marathon in Kinston, NC
- JenAbby Memorial Run Half Marathon in Wauseon, OH
- Kansas City Marathon, Half Marathon, 10K & 5K in Kansas City, MO
- Lake Powell Half Marathon in Page, AZ
- Lewis-Clark Half Marathon & 5K in Clarkston, WA
- Marathon 2 Marathon Full, Half Marathon, 10K & 5K in Marathon, TX
- Marshall Gold Discovery Run in Coloma, CA
- Monster Mash Marathon & Half Marathon in Dover, DE
- Napa Wine Country Marathon, Half Marathon & 10K in Calistoga, CA
- Octoberfest Half Marathon in Peru, NY
- Oktoberfest Trail Run Festival in Farmersville, TX
- Oregon Trail Run of Nebraska in Hebron, NE
- Paris Mountain Ultra & North Lake 13.1 in Greenville, SC
- Petersburg Halloween Half Marathon in Petersburg, VA
- Priscilla & Sam McCall Half Marathon & Relay in Greensboro, NC
- Rocktoberfest Half Marathon & 5 Miler in Charlotte, NC
- Run Michigan Cheap Half Marathon, 10K & 5K – Gaylord in Gaylord, MI
- Run the Shoreline Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Runaway Pumpkin Half Marathon in Lebanon, OR
- Rush Creek Stampede Half Marathon & 5K in Cambridge, ID
- Soaring Wings of Conway Marathon & Half Marathon in Conway, AR
- SoJo Marathon, Half Marathon & 5K in South Jordan, UT
- Sri Chinmoy Half Marathon in Congers, NY
- Sunset Half Marathon & 5K – Seattle in Seattle, WA
- Three Rivers Trail Run Half Marathon, 10K & 5K in Humboldt, IA
- Triple Lakes Trail Half Marathon, 40K & 40-Mile in Greensboro, NC
- Upper Cumberland Haunted Half Marathon in Cookeville, TN
- Urban Bourbon Half Marathon in Louisville, KY
- Wild Duluth Races – 100K, 50K & Half Marathon in Duluth, MN
- Wisconsin Trail Assail – Sweetest Day Half Marathon in Nashotah, WI
- Y Race Phoenix Half Marathon, 10K & 5K in Phoenix, AZ
- ZOOMA Florida Half Marathon, 12K & 5K in Amelia Island, FL
Sunday, October 22
- AthHalf Half Marathon & 5K in Athens, GA
- Atlantic City Marathon, Half Marathon, 10K & 5K in Atlantic City, NJ
- Baystate Marathon & Half Marathon in Lowell, MA
- Beat 539 Marathon & Half Marathon in Lakehurst, NJ
- Black Goose Marathon & Half Marathon in Seekonk, MA
- Blast the Marina Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Bloody Fun Half Marathon & 10K in Cedar Hill, TX
- Bull City Race Fest Half Marathon & 5-Miler in Durham, NC
- CHaD Hero Half Marathon & 5K in Hanover, NH
- Cloverdale Harvest Marathon, Half Marathon & 10K in Cloverdale, CA
- Columbia Gorge Marathon & Half Marathon in Hood River, OR
- Defeated Creek Trail Half Marathon in Carthage, TN
- Duke City Half Marathon in Albuquerque, NM
- Folsom Blues Breakout 13.1, Relay & 5K in Folsom, CA
- Foothills Half Marathon in Alcoa, TN
- Gansett Half Marathon in Narragansett, RI
- Gettysburg Blue-Gray Half Marathon & 5K in Gettysburg, PA
- Go Girl Run Half Marathon – Memphis in Memphis, TN
- The Great GO! St. Louis Halloween Race in St. Louis, MO
- Happy Valley Half Marathon & 5K in Northampton, MA
- Haunted Hustle Half Marathon, 10K & 5K in Middleton, WI
- Healthy Driven Naperville Half Marathon & 5K in Naperville, IL
- Historic Brownsville International Half Marathon in Brownsville, TX
- The Honey Badger Half, 10K & 5K in San Rafael, CA
- Hot Iron Half & 5K in Union Vale, NY
- JMF Trails Hillbilly Half in Louisville, KY
- Las Cruces Monster Run in Las Cruces, MI
- Lewisburg Hilly Half Marathon in Lewisburg, PA
- Lexus LaceUp Ventura Half Marathon in Ventura, CA
- Litchfield Route 66 Half Marathon in Litchfield, IL
- Mankato Marathon, Half Marathon, 10K & 5K in Mankato, MN
- Masters of All Terrain Half Marathon in Geneva, FL
- Monster Dash Half Marathon, 15K, 10K & 5K in Santa Monica, CA
- Morgan Hill Half Marathon & 5K in Morgan Hill, CA
- Myrtle Beach Mini Marathon, 5K & 1.5-Mile in Myrtle Beach, SC
- Newburyport Half Marathon & Relay in Newburyport, MA
- Nun Run Half Marathon & 5K in Centennial, CO
- Nutrabolt Oktoberfest Half Marathon & 10K in College Station, TX
- October Madness Half Marathon, 10K & 5K in Loganville, GA
- Pasadena Trail Half Marathon in Pasadena, CA
- Run Like Hell Half Marathon, 10K & 5K in Portland, OR
- Runner’s World Half Marathon in Bethlehem, PA
- Running For The Bay Marathon, Half Marathon, 10K, 5K & 50K in Apalachicola, FL
- That Dam Half & 5K in Grand Prairie, TX
- Valparaiso Half Marathon in Valparaiso, IN
- Vista Beer Run Half Marathon & 5K in Vista, CA
- Wicked Triple Fun Run Half Marathon in Fort Walton Beach, FL
- Worcester Running Festival Half Marathon & 5K in Worcester, MA
Tuesday, October 24
- I Ran Marathons Count Dracula Marathon, Half Marathon, 10K & 5K – Day 1 in San Antonio, TX
Wednesday, October 25
- I Ran Marathons Count Dracula Marathon, Half Marathon, 10K & 5K – Day 2 in San Antonio, TX
Thursday, October 26
- I Ran Marathons Count Dracula Marathon, Half Marathon, 10K & 5K – Day 3 in San Antonio, TX
Friday, October 27
- I Ran Marathons Count Dracula Marathon, Half Marathon, 10K & 5K – Day 4 in San Antonio, TX
Saturday, October 28
- Ashland Half Marathon & 5-Miler in Ashland, MA
- Cape Cod Marathon, Half Marathon & Relay in Falmouth, MA
- Chessie Trail Fall Half Marathon & 5K in Lexington, VA
- The Colony Half Marathon in The Colony, TX
- Day of the Dead Marathon, Half Marathon, 10K & 5K Series – Day 1 in Las Cruces, NM
- down2earth Half Marathon, 10K & 5K in Hialeah, FL
- Essex Steam Train Half Marathon & Relay in Essex, CT
- EVL Halloween Half Marathon & 5K in Ellicottville, NY
- F*L*A*T*S Trail Half Marathon in Kirksville, MO
- Farragut 13.1 Half Marathon, Relay & 5K in Knoxville, TN
- Georgetown Bridge2Bridge Half Marathon, 12K & 5K in Georgetown, SC
- Goblin Valley Ultra, Marathon & Half Marathon in Green River, UT
- Grants Pass Half Marathon, 10K & 5K in Grants Pass, OR
- Great Turtle Trail Run Half Marathon & 5.7-Mile in Mackinac Island, MI
- Hallowed Half Marathon & Frightening 5K in Leslie, MI
- Halloween Harvest Half in Syracuse, UT
- Haunted Half Marathon & Boo to Brew Relay in Kingsport, TN
- Haunted Half Marathon – Provo in Provo, UT
- Haunted Hilly Half Marathon, Terrible 10K & Frightening 5K in Bristol, IN
- Haunted House Half Marathon & 5K in Harrisburg, PA
- Healdsburg Wine Country Half Marathon & Hallowine 5K in Healdsburg, CA
- Heroes Run Half Marathon in Shreveport, LA
- Hill Country Halloween Half Marathon in Cedar Park, TX
- Honor the Fallen Law Enforcement Half Marathon in Laredo, TX
- Hot Cider Hustle Half Marathon & 5K – Omaha in Omaha, NE
- Huntsville Half Marathon, Quarter Marathon & 5K in Huntsville, TX
- I Ran Marathons Count Dracula Marathon, Half Marathon, 50K, 10K & 5K – Day 5 in San Antonio, TX
- Janis Best Memorial Run Half Marathon, 10K & 5K in Prescott, AZ
- Jazz Half Marathon & 5K in New Orleans, LA
- Keeping Hunger on the Run Half Marathon & 5K in Lima, OH
- The Kingdom Challenge Half Marathon & 5K in Lyndonville, VT
- Life Without Limits Half Marathon & 5K in Florence, AL
- Marathon on the Mountain & Half Marathon in Seven Springs, PA
- Miami Beach Halloween Half Marathon & Freaky 4-Miler in Miami Beach, FL
- Minnesota Monster Dash Half Marathon, 10-Mile & 5K in St. Paul, MN
- Monster Dash Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Night Moves Trail Races in San Felipe, TX
- NYCRUNS Haunted Half Marathon in Brooklyn, NY
- Oakland Hills Trail Run in Oakland, CA
- OktobeRun Half Marathon & 5K in Redwood City, CA
- Potomac River Run Marathon & Half Marathon in Washington, DC
- Race 13.1 Charleston Half Marathon, 10K & 5K in Charleston, SC
- Race for Success Half Marathon, 10K & 5K in Lufkin, TX
- Rockin’ the Bay Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Run for Missions Half Marathon, 10K & 5K in Haviland, KS
- Run Michigan Cheap Half Marathon, 10K & 5K – Reed City in Reed City, MI
- RunLBL Half Marathon & 10K in Grand Rivers, KY
- Shawnee Marathon & Half Marathon in Harrisburg, IL
- Silver Comet Marathon & Half Marathon in Mableton, GA
- Skydive Ultra 100K, 50 Mile, 50K, Marathon, Half Marathon, 10K & 5K in Rosharon, TX
- Skyline Ranches XC Runs in Elkhorn, NE
- Spinx Run Fest Marathon, Half Marathon, 10K & 5K in Greenville, SC
- Spooky Dash Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Stephenville Lions Spooktacular Half Marathon, 10K & 5K in Stephenville, TX
- Stinson Beach Marathon, Half Marathon & 7-Mile in Stinson Beach, CA
- Sunset Half Marathon & 5K – Dallas in Dallas, TX
- Tecumseh Trail Marathon & Half Marathon in Bloomington, IN
- Trenton Half Marathon, 10K, 5K & Kids Run in Trenton, NJ
- The Wurst Race Half Marathon & 5K in Muenster, TX
- ZombieRunner Halloween Marathon, Half Marathon & 5 Mile in Campbell, CA
Sunday, October 29
- All-Out Kooky-Spooky Half Marathon, 10K & 5K in Golden, CO
- Atlanta Halloween Half Marathon & 5K in Atlanta, GA
- Blue Spring Runners 50/50 50K, Marathon & Half Marathon in Blue Springs, MO
- Buckeye Half Marathon & 2-Person Relay in Peninsula, OH
- Chester River Challenge Half Marathon & 5K in Chestertown, MD
- Cocoa Beach Half Marathon & Relay in Cocoa Beach, FL
- Day of the Dead Marathon, Half Marathon, 10K & 5K Series – Day 2 in Las Cruces, NM
- End of the Road Marathon & Half Marathon in Waterfall, PA
- Florida Halloween Halfathon & 5K in St. Petersburg, FL
- Georgetown Half Marathon in Washington, DC
- The Good Life Halfsy in Lincoln, NE
- Hairy Gorilla Half Marathon & Squirrelly 6-Miler in Voorheesville, NY
- Halloween Hustle Half Marathon, 10K & 5K in Independence, MO
- Halloween Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Hot Cider Hustle Half Marathon & 5K in Green Bay, WI
- Houston Half Marathon & Relay in Houston, TX
- I Ran Flagship Marathons Series – Algeria in San Antonio, TX
- I Ran Marathons Count Dracula Marathon, Half Marathon, 10K & 5K – Day 6 in San Antonio, TX
- Kaiser Permanente Thrive Half Marathon & 5K in San Diego, CA
- Lighthouse Loop Half Marathon in Port Orange, FL
- Loco Marathon & Half Marathon in Newmarket, NH
- North Carolina Halloween Half Marathon & 5K in Fayetteville, NC
- Ocean State Rhode Race Marathon, Half Marathon, & 5K in Narragansett, RI
- Oktoberfest 13.1 Half Marathon in Philadelphia, PA
- Onward Shay Marathon, Half Marathon, 10K & 5K in Boise, ID
- The Reservoir Run Half Marathon & 5K in Weston, CT
- Rock ‘n’ Roll Los Angeles Halloween Half Marathon & 5K in Los Angeles, CA
- Run Michigan Cheap Half Marathon, 10K & 5K – Midland Halloween Race in Midland, MI
- Run to Margaritaville Half Marathon & 5K in Pensacola Beach, FL
- Scantic Valley 6-Hour Ultra, Half-Marathon & 5K in Somers, CT
- Screaming Banshee Half Marathon, 10K & 5K in Potterville, MI
- Spooktacular Half Marathon, 15K, 10K & 5K in Van Nuys, CA
- Stump Farm Trail Race Half Marathon in Suamico, WI
- Suffolk County Marathon, Half Marathon & 5K in Patchogue, NY
- TMC Get Moving Tucson Half Marathon, 5K & 1-Mile in Tucson, AZ
- Treasure Coast Halloween 13.1 in Stuart, FL
- Westy Half & 5K in Westminter, CO
- White Mountain Milers Half Marathon & 5K in North Conway, NH
- Wicked Marathon, Half Marathon & 4 Mile in Peoria, AZ
Monday, October 30
- I Ran Marathons Count Dracula Marathon, Half Marathon, 10K & 5K – Day 7 in San Antonio, TX
Tuesday, October 31
- I Ran Marathons Count Dracula Marathon, Half Marathon, 10K & 5K – Day 8 in San Antonio, TX
