October 2021 Half Marathons

NOTE: Many races have been cancelled, postponed, or switched to virtual-only due to the ongoing COVID-19 pandemic. We’re doing our best to update information as soon as possible, but check the race’s website for the latest details.

See all October 2021 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.


Saturday, October 2
Sat Oct 2 Bay Ridge Half Marathon New York NY
Sat Oct 2 Buckeye Trail Blue Blaze Festival Shawnee OH
Sat Oct 2 Cary Greenways Tour Marathon Half Marathon 10K & 5K Cary NC
Sat Oct 2 Deep Creek Trail Half Marathon Telluride CO
Sat Oct 2 Disco Run Half Marathon 10K & 5K Fort Worth TX
Sat Oct 2 Dugway Trail & Ultra Run Dugway UT
Sat Oct 2 Evansville Half Marathon Evansville IN
Sat Oct 2 Frog Hill Half Marathon Waynesville MO
Sat Oct 2 Hamptons Marathon Half Marathon & 5K Southampton NY
Sat Oct 2 Hanover YMCA RunFest Half Marathon & 5K Hanover PA
Sat Oct 2 Harvest Half Marathon Sioux Center IA
Sat Oct 2 Indy Half Marathon & 5K Indianapolis IN
Sat Oct 2 Kennebunkport Trust Trail Fest Half Marathon Kennebunkport ME
Sat Oct 2 Leavenworth Oktoberfest Marathon & Half Marathon Leavenworth WA
Sat Oct 2 Mighty Niagara Half Marathon & 5K Lewiston NY
Sat Oct 2 New Hampshire Marathon Half Marathon & 10K Bristol NH
Sat Oct 2 New River Marathon Half Marathon & 4-Mile Fleetwood NC
Sat Oct 2 Norfolk Land Trust Half Marathon Norfolk CT
Sat Oct 2 Oktoberfest Half Marathon & 5K Brevard NC
Sat Oct 2 Potomac River Run Marathon & Half Marathon Washington DC
Sat Oct 2 Prairie State Half Marathon & 10K Long Grove IL
Sat Oct 2 The Race Half Marathon & 5K Atlanta GA
Sat Oct 2 Run Richmond Half Marathon & 5K Richmond KY
Sat Oct 2 Sleeping Bear Marathon Half Marathon & 5K Empire MI
Sat Oct 2 Thru the Leaves Half Marathon Rochester Hills MI
Sat Oct 2 True to the Brew Trail Half Marathon Spartanburg SC
Sat Oct 2 Wonderful Water Half Marathon & 5K Stevens Point WI

Sunday, October 3
Sun Oct 3 Bear Trail Half Marathon & 5K Bear DE
Sun Oct 3 BHM26.2 Marathon & Half Marathon Birmingham AL
Sun Oct 3 BRRC Grand Prix Series Half Marathon Sparks MD
Sun Oct 3 California Classic Half Marathon 10K & 5K Fresno CA
Sun Oct 3 Chestertown Challenge Half Marathon & 5K Chestertown MD
Sun Oct 3 Chris Jarvis Autumn River Run Marathon Half Marathon & 5K North Platte NE
Sun Oct 3 Cops vs COVID Run Half Marathon & 5K Modesto CA
Sun Oct 3 Covenant Health Knoxville Marathon & Half Marathon Knoxville TN
Sun Oct 3 Crawlin' Crab Half Marathon & 5K Hampton VA
Sun Oct 3 Fort Hill Brewery Half Marathon & 5K Easthampton MA
Sun Oct 3 Gorham Savings Bank Maine Marathon Half Marathon & Relay Portland ME
Sun Oct 3 Great Balloon Chase Half Marathon 10K & 5K Albuquerque NM
Sun Oct 3 Greenbrier River Trail Marathon & Half Marathon Cass WV
Sun Oct 3 Greenway Marathon & Half Marathon Nashville TN
Sun Oct 3 Jersey Shore Half Marathon Fort Hancock NJ
Sun Oct 3 Leaf Peepers Half Marathon & 5K Waterbury VT
Sun Oct 3 Lions Turtle Bay Run Three Bridges Half Marathon Redding CA
Sun Oct 3 Long View Marathon & Half Marathon Fort Collins CO
Sun Oct 3 Mo' Cowbell Marathon Half Marathon & Relay St. Charles MO
Sun Oct 3 Oklahoma City Memorial Marathon & Half Marathon Oklahoma City OK
Sun Oct 3 Omaha Women's Half Marathon & 5K Omaha NE
Sun Oct 3 Palace City Kiwanis Half Marathon Mitchell SD
Sun Oct 3 Portland Marathon & Half Marathon Portland OR
Sun Oct 3 Race Through the Woods Half Marathon Jefferson ME
Sun Oct 3 'Rad Dirt Fest Half Marathon & Ultras Trinidad CO
Sun Oct 3 Red Carpet Run Half Marathon 10K & 5K Cocoa Village FL
Sun Oct 3 Rim to Royal Gorge Half Marathon Cañon City CO
Sun Oct 3 Rock 'n' Roll San Jose Half Marathon & 10K San Jose CA
Sun Oct 3 Run Crazy Horse Marathon Half Marathon & Relay Crazy Horse SD
Sun Oct 3 Smuttynose Rockfest Half Marathon Hampton NH
Sun Oct 3 Steel Rail Half Marathon & 8K Lanesborough MA
Sun Oct 3 Treetown Tussle Half Marathon Ann Arbor MI
Sun Oct 3 Tuck Fest Trail Half Marathon Charlotte NC
Sun Oct 3 Twin Lights Half Marathon Gloucester MA
Sun Oct 3 Urban Cow Half Marathon Sacramento CA
Sun Oct 3 Whitefish Trail Legacy Run Half Marathon 10K & 5K Whitefish MT
Sun Oct 3 Wineglass Marathon & Half Marathon Corning NY

Monday, October 4 – Friday, October 8
Fri Oct 8 Lake Tahoe Marathon: Nevada Half Marathon South Lake Tahoe CA
Fri Oct 8 The Trailway Trail Marathon Half Marathon 10K & 5K Somerville TX

Saturday, October 9
Sat Oct 9 Antelope Island Marathon Half Marathon 10K & 5K Syracuse UT
Sat Oct 9 Arches Half Marathon Moab UT
Sat Oct 9 Arkansas Marathon Bearcat Half Marathon 10K & 5K Booneville AR
Sat Oct 9 Baltimore Running Festival Marathon Half Marathon 10K & 5K Baltimore MD
Sat Oct 9 Battle of Hillotes Half Marathon 10K & 5K Helotes TX
Sat Oct 9 Bemidji Blue Ox Marathon Half Marathon & 26K Bemidji MN
Sat Oct 9 Black Bear Half Marathon Hendersonville NC
Sat Oct 9 Corkscrew Half Marathon Tyler TX
Sat Oct 9 Des Plaines River Trail Marathon Half Marathon & 50-Mile Lincolnshire IL
Sat Oct 9 Dimple Dell Half Marathon Sandy UT
Sat Oct 9 DNF (Do Not Fall) Trail Half Marathon & Quarter Marathon Indianapolis IN
Sat Oct 9 The Driftless Half Marathon Lansing IA
Sat Oct 9 Escalante Canyons Marathon Half Marathon & 5K Escalante UT
Sat Oct 9 Fidalgo Marathon Half Marathon & 5-Mile Anacortes WA
Sat Oct 9 Georgetown Half Marathon Washington DC
Sat Oct 9 Hartford Marathon Half Marathon & 5K Hartford CT
Sat Oct 9 HooDoo Half Marathon Fairbanks AK
Sat Oct 9 Hoosier Half Marathon & 5K Bloomington IN
Sat Oct 9 Hot Cider Hustle Lansing Half Marathon & 5K Lansing MI
Sat Oct 9 Lake Placid Classic Half Marathon & 10K Lake Placid NY
Sat Oct 9 Lake Powell Half Marathon Page AZ
Sat Oct 9 Lake Shore Lap Half Marathon 10K & 5K Au Gres MI
Sat Oct 9 Lake Tahoe Marathon: Carnelian Bay Half Marathon South Lake Tahoe CA
Sat Oct 9 Lane Walker Foundation Race Half Marathon 10K & 5K Alma MI
Sat Oct 9 LewisGale Salem Half Marathon 8K & Kids Race Salem VA
Sat Oct 9 Little Apple Marathon Half Marathon 5K & Relay Manhattan KS
Sat Oct 9 Mo Marathon & Half Marathon Perrysville OH
Sat Oct 9 Murfreesboro Half Marathon Murfreesboro TN
Sat Oct 9 NYC Fall Half in Queens New York NY
Sat Oct 9 Rockaway Half Marathon Rockaway Park NY
Sat Oct 9 Run Bentonville Half Marathon & 5K Bentonville AR
Sat Oct 9 Run Conch Republic Half Marathon & 10K Key West FL
Sat Oct 9 Run Holden Beach Half Marathon & 5K Supply NC
Sat Oct 9 Run the Rail Marathon & Half Marathon New Boston TX
Sat Oct 9 Run United Half Marathon & 5K Aiken SC
Sat Oct 9 Sam Costa Half Marathon & Quarter Marathon Carmel IN
Sat Oct 9 Sauk Valley Apple Cider Run Half Marathon 10K & 5K Rock Falls IL
Sat Oct 9 Savannah Women's Half Marathon Savannah GA
Sat Oct 9 Scenic Byway Half Marathon Belle Plaine MN
Sat Oct 9 Three Eagle Half Marathon & 5K Eagle River WI
Sat Oct 9 The Trailway Trail Marathon Half Marathon 10K & 5K Somerville TX
Sat Oct 9 Warren YMCA SuperKwik Challenge Half Marathon Warren PA
Sat Oct 9 Whiskey Row Marathon Half Marathon 10K & 5K Prescott AZ
Sat Oct 9 WhistleStop Marathon & Half Marathon Ashland WI
Sat Oct 9 YMCA Sandbar Half Marathon & 5k Englewood FL
Sat Oct 9 Zachariah's Acres Fall Run Walk & Roll Half Marathon & 5K Oconomowoc WI
Sat Oct 9 Zombie Half Marathon Anchorage AK

Sunday, October 10
Sun Oct 10 Block Island Half Marathon Block Island RI
Sun Oct 10 Boulderthon Marathon & Half Marathon Boulder CO
Sun Oct 10 Brooklynite Half Marathon & 10K New York NY
Sun Oct 10 Cedro Peak Half Marathon 50K & 10K Tijeras NM
Sun Oct 10 Craft Beer Half Marathon & 5-Mile Charlotte NC
Sun Oct 10 Empire State Marathon & Half Marathon Syracuse NY
Sun Oct 10 Fall Foliage Half Marathon & 5K Rhinebeck NY
Sun Oct 10 Girlfriends Run for a Cure Half Marathon Vancouver WA
Sun Oct 10 Hot Cider Hustle Erie Half Marathon & 5K Erie PA
Sun Oct 10 Lake Tahoe Marathon: Emerald Bay Half Marathon South Lake Tahoe CA
Sun Oct 10 Long Beach Marathon & Half Marathon Long Beach CA
Sun Oct 10 Main Street of Hunterdon Half Marathon 5K & Relay Clinton NJ
Sun Oct 10 Midlands Half Marathon Wedgefield SC
Sun Oct 10 Mo Half Marathon Perrysville OH
Sun Oct 10 Mohawk Hudson River Marathon & Half Marathon Albany NY
Sun Oct 10 Morgantown Marathon Half Marathon & 8K Morgantown WV
Sun Oct 10 Nantucket Half Marathon Nantucket MA
Sun Oct 10 New England Harvest Half Marathon Swansea MA
Sun Oct 10 Newport Marathon & Half Marathon Newport RI
Sun Oct 10 Prairie Fire Fall Marathon Half Marathon & 5K Wichita KS
Sun Oct 10 SBC Trailfest Half Marathon 10K & 5K Highlandville MO
Sun Oct 10 Springfield Marathon Half Marathon & Quarter Marathon Springfield IL
Sun Oct 10 Towpath Marathon Half Marathon & 10K Valley View OH
Sun Oct 10 West Virginia Trilogy Half Marathon & 5K Circleville WV
Sun Oct 10 Whiskeydaddle Races Marathon Half Marathon & Relay Peoria IL
Sun Oct 10 Windsor Marathon Half Marathon & Heavy 10K Windsor CO


Saturday, October 16
Sat Oct 16 Appalachian Series Marathon Half Marathon 10K & 5K – Day 1 Bluefield WV
Sat Oct 16 Aspen Valley Marathon Half Marathon & 5K Aspen CO
Sat Oct 16 Buffalo Creek Half Marathon Cabot PA
Sat Oct 16 City of Colleges Half Marathon 10K & 5K Conway AR
Sat Oct 16 Country Sole Half Marathon 10K & 5K Chicago IL
Sat Oct 16 F*L*A*T*S Trail Half Marathon Kirksville MO
Sat Oct 16 Freedom's Run Marathon Half Marathon 10K & 5K Shepherdstown WV
Sat Oct 16 Game On! Run Hutchinson Island Half Marathon & 10K Fort Pierce FL
Sat Oct 16 Hayden Lake Marathon Half Marathon & Quarter Marathon Hayden ID
Sat Oct 16 Hazleton Town and Trail Half Marathon 10K & 5K Hazleton PA
Sat Oct 16 Hot Cider Hustle Twin Cities Half Marathon & 5K Bloomington MN
Sat Oct 16 Huntsville Half Marathon Quarter Marathon & 5K Huntsville TX
Sat Oct 16 Jack and Jill's Downhill Marathon & Half Marathon Boise ID
Sat Oct 16 John Wayne Grit Series – Lone Pine Half Marathon & 10K Lone Pine CA
Sat Oct 16 Kansas City Marathon Half Marathon 10K & 5K Kansas City MO
Sat Oct 16 KY History Half Marathon 10K & 5K Frankfort KY
Sat Oct 16 Lewis-Clark Half Marathon & 5K Clarkston WA
Sat Oct 16 Mankato Marathon Half Marathon 10K & 5K Mankato MN
Sat Oct 16 McKinney Half Marathon & 5K McKinney TX
Sat Oct 16 Mississippi Blues Marathon & Half Marathon Jackson MS
Sat Oct 16 National Sweetest Day Half Marathon 10K & 5K Nashotah WI
Sat Oct 16 Napa Wine Country Marathon Half Marathon & 10K Calistoga CA
Sat Oct 16 Oahe YMCA Half Marathon Pierre SD
Sat Oct 16 Oktoberfest Trail Run Festival Marathon Half Marathon 50K 10K & 5K Farmersville TX
Sat Oct 16 Philadelphia Trail Marathon & Half Marathon Philadelphia PA
Sat Oct 16 Poulsbo Half Marathon & 10K Poulsbo WA
Sat Oct 16 Providence Rogue Run Marathon Half Marathon & 10K Medford OR
Sat Oct 16 Pumpkin Harvest Half Marathon Bethel ME
Sat Oct 16 Purdue Boilermaker Half Marathon & 5K West Lafayette IN
Sat Oct 16 Racin' for a Cure Half Marathon 10K & 5K Fairfax Station VA
Sat Oct 16 Spacerock Trail Race Half Marathon 10K & 5K Agua Dulce CA
Sat Oct 16 Tackle the Trail Marathon & Half Marathon Putnam CT
Sat Oct 16 Trapp Lodge Mountain Marathon & Half Marathon Stowe VT
Sat Oct 16 Twilight Red Rock Half Marathon 10K & 5K Las Vegas NV
Sat Oct 16 Urban Bourbon Half Marathon Louisville KY

Sunday, October 17
Sun Oct 17 Appalachian Series Marathon Half Marathon 10K & 5K – Day 2 Bluefield VA
Sun Oct 17 Around Cape Ann Half Marathon Gloucester MA
Sun Oct 17 Atlantic City Marathon & Half Marathon Atlantic City NJ
Sun Oct 17 BCS Oktoberfest Half Marathon & 10K College Station TX
Sun Oct 17 Best Damn Race Half Marathon Safety Harbor FL
Sun Oct 17 Bull City Race Fest Half Marathon & 5-Mile Durham NC
Sun Oct 17 Colfax Marathon Half Marathon 10-Mile & Relay Denver CO
Sun Oct 17 Crowell Hilaka Trail Run Half Marathon & 10K Richfield OH
Sun Oct 17 Detroit Free Press Marathon Half Marathons & 5K Detroit MI
Sun Oct 17 Duke City Half Marathon Albuquerque NM
Sun Oct 17 Fall Classic Trail Half Marathon & Color Run 5K Charleston WV
Sun Oct 17 Folsom Blues Breakout Half Marathon 5K & Relay Folsom CA
Sun Oct 17 Grand Rapids Marathon Half Marathon & Relay Grand Rapids MI
Sun Oct 17 Great New York State Marathon & Half Marathon Syracuse NY
Sun Oct 17 Green Mountain Marathon & Half Marathon South Hero VT
Sun Oct 17 Heart and Sole Half Marathon & 5K – Babcock Ranch Punta Gorda FL
Sun Oct 17 Hot Cider Hustle Half Marathon & 5K – Rochester Rochester MN
Sun Oct 17 IMT Des Moines Marathon Half Marathon & 5K Des Moines IA
Sun Oct 17 Mount Desert Island Marathon Half Marathon & Relay Bar Harbor ME
Sun Oct 17 Myrtle Beach Mini Marathon Myrtle Beach SC
Sun Oct 17 Naperville Half Marathon Naperville IL
Sun Oct 17 New England Half Marathon Concord NH
Sun Oct 17 New Jersey Marathon & Half Marathon Long Branch NJ
Sun Oct 17 Pamby Ridgefield Half Marathon Ridgefield CT
Sun Oct 17 Seven Bridges Marathon Four Bridges Half Marathon & 5K Chattanooga TN
Sun Oct 17 Snohomish River Run Marathon & Half Marathon Snohomish WA
Sun Oct 17 SoCal Spartan Trail Half Marathon 50K & 10K Lebec CA
Sun Oct 17 St. Luke's Half Marathon & 5K Allentown PA
Sun Oct 17 Stub Stewart Trail Challenge Half Marathon & Quarter Marathon Buxton OR
Sun Oct 17 Tucson Wicked Half Marathon 10K & 5K Tucson AZ
Sun Oct 17 Wade Mountain Marathon Half Marathon & 10K Huntsville AL
Sun Oct 17 Western Maryland Rail Trail Marathon & Half Marathon Hancock MD
Sun Oct 17 Wild Duluth Harder 'n Heck Half Marathon & Terribly Tough 10K Duluth MN

Monday, October 18 – Friday, October 22
Mon Oct 18 Appalachian Series Marathon Half Marathon 10K & 5K – Day 3 Bristol TN
Tue Oct 19 Appalachian Series Marathon Half Marathon 10K & 5K – Day 4 Fletcher NC
Wed Oct 20 Appalachian Series Marathon Half Marathon 10K & 5K – Day 5 Seneca SC
Thu Oct 21 Appalachian Series Marathon Half Marathon 10K & 5K – Day 6 Macon GA
Fri Oct 22 Appalachian Series Marathon Half Marathon 10K & 5K – Day 7 Eufaula AL

Saturday, October 23
Sat Oct 23 Cannonball Run Marathon & Half Marathon Greensboro NC
Sat Oct 23 Carrabba's Classic Half Marathon 5K & Relay San Antonio TX
Sat Oct 23 CATHalf Marathon Pounding Creek Marathon & Trail 10K Charlottesville VA
Sat Oct 23 Citizens Run Against Cancer Half Marathon & 5K Victoria TX
Sat Oct 23 The Colony Half Marathon The Colony TX
Sat Oct 23 Creep 'n' Crawl Half Marathon & 5K Little Rock AR
Sat Oct 23 Dark and Dirty Night Race Half Marathon & 10K Griffin GA
Sat Oct 23 Death Valley Half Marathon & 10K Death Valley CA
Sat Oct 23 End of the Road Half Marathon & 4-Mile Waterfall PA
Sat Oct 23 EVL Halloween Half Marathon Ellicottville NY
Sat Oct 23 Great Turtle Trail Run Half Marathon & 5.7-Mile Mackinac Island MI
Sat Oct 23 Halloween Candy Run Half Marathon Miamisburg OH
Sat Oct 23 Heroes Run Half Marathon & 5K Bossier City LA
Sat Oct 23 Hiawatha Trail Races Marathon Half Marathon & Quarter Marathon Newbury Park CA
Sat Oct 23 Hot Cider Hustle Half Marathon & 5K – Shorewood Milwaukee WI
Sat Oct 23 Joe English Twilight Challenge Marathon Half Marathon & 6-Hour Ultra Amherst NH
Sat Oct 23 Kansas Rails-to-Trails Extravaganza Ottawa KS
Sat Oct 23 Monkey Bar Marathon & Half Marathon Maineville OH
Sat Oct 23 Napa Wine Country Marathon Half Marathon & 10K Calistoga CA
Sat Oct 23 Pinkathon Challenge for Breast Cancer San Francisco CA
Sat Oct 23 Priebe Strong 1062 Half Marathon 10K & 5K Republic MO
Sat Oct 23 River Valley Run Trail Half Marathon Manchester MD
Sat Oct 23 Run Ocean Isle Beach Half Marathon 5K & 1-Mile Ocean Isle Beach NC
Sat Oct 23 Run to the Center of the World Half Marathon 10K & 5K New Troy MI
Sat Oct 23 Salt Lake City Haunted Half & 5K Salt Lake City UT
Sat Oct 23 Santa Barbara Wine Country Half Marathon Solvang CA
Sat Oct 23 Shawnee Marathon & Half Marathon Harrisburg IL
Sat Oct 23 Shipyard Old Port Half Marathon & 5K Portland ME
Sat Oct 23 Sly Fox Half Madness 10K & 5K St. Charles IL
Sat Oct 23 Tecumseh Trail Challenge Marathon Half Marathon 50K & Quarter Marathon Bloomington IN
Sat Oct 23 Tilden Trail Half Marathon & 10K Orinda CA
Sat Oct 23 Vista Verde Skyline Run Marathon Half Marathon 50K & 10K Los Altos CA
Sat Oct 23 Yippee-Ki-Yay Half Marathon 50K & 5-Mile Council Bluffs IA

Sunday, October 24
Sun Oct 24 Alpharetta Women's Half Marathon Alpharetta GA
Sun Oct 24 Ann Arbor Marathon Half Marathon 10K 5K & Relay Ann Arbor MI
Sun Oct 24 AthHalf Half Marathon Athens GA
Sun Oct 24 Boise Marathon Half Marathon 10K & 5K Boise ID
Sun Oct 24 Bridge-to-Bridge Half Marathon & 5K Ashtabula OH
Sun Oct 24 Chandler #AZ48 Half Marathon & 5K Chandler AZ
Sun Oct 24 Colorado Marathon Half Marathon 10K & 5K Fort Collins CO
Sun Oct 24 Columbia River Gorge Marathon & Half Marathon Hood River OR
Sun Oct 24 Dallas Spartan Trail Half Marathon 50K & 10K Dallas TX
Sun Oct 24 End of the Road Marathon & Half Marathon Waterfall PA
Sun Oct 24 Fast Half Marathon South Hamilton MA
Sun Oct 24 GFNY Florida Marathon & Half Marathon Sebring FL
Sun Oct 24 Good Life Halfsy Lincoln NE
Sun Oct 24 Haunted Half Austin 5K & Kids' Run Pflugerville TX
Sun Oct 24 Haunted Hustle Half Marathon Middleton WI
Sun Oct 24 Heritage Trail Run Half Marathon & 50K Adrian MI
Sun Oct 24 Hot Cider Hustle Cedar Rapids Half Marathon & 5K Cedar Rapids IA
Sun Oct 24 Hot Cider Hustle Green Bay Half Marathon & 5K Green Bay WI
Sun Oct 24 Houston Half Marathon & 10K Houston TX
Sun Oct 24 Jersey City Fall Half Marathon 10K & 5K Jersey City NJ
Sun Oct 24 Las Vegas Women's Half Marathon Henderson NV
Sun Oct 24 Loco Marathon & Half Marathon Newmarket NH
Sun Oct 24 Mission Inn Run Half Marathon 10K & 5K Riverside CA
Sun Oct 24 Ocean State Rhode Race Marathon Half Marathon & 5K Narragansett RI
Sun Oct 24 Pocono Half Marathon & Fall Running Spectacular Greentown PA
Sun Oct 24 Rock 'n' Roll San Diego Marathon & Half Marathon San Diego CA
Sun Oct 24 Those Damned Hills Half Marathon 10K & 5K Lorton VA
Sun Oct 24 TMC Get Moving Tucson Half Marathon 5K & 1-Mile Tucson AZ
Sun Oct 24 Wallis Sands Half Marathon Rye NH
Sun Oct 24 Westy Half & 5K Westminster CO
Sun Oct 24 Youngstown Marathon Half Marathon & 5K Youngstown OH

Monday, October 25 – Friday, October 29
Mon Oct 25 Race for Grace Half Marathon 12K & 6K Dublin GA

Saturday, October 30
Sat Oct 30 Bear Creek Run Half Marathon Columbia MO
Sat Oct 30 Cape Cod Marathon Half Marathon & Relay Falmouth MA
Sat Oct 30 Chessie Trail Marathon Half Marathon & 5K Lexington VA
Sat Oct 30 City Island Haunted House Half Marathon & 5K Harrisburg PA
Sat Oct 30 CRC Monster Dash Half Marathon & 5K Fort Worth TX
Sat Oct 30 Door County Half Marathon & 5K Fish Creek WI
Sat Oct 30 Emerald Isle Marathon Half Marathon & 5K Emerald Isle NC
Sat Oct 30 Fall Into Winter Half Marathon & 10K Granville OH
Sat Oct 30 Galena River Fall Half Marathon & 8K Galena IL
Sat Oct 30 H^3 Halloween Half Marathon Chicago IL
Sat Oct 30 Halloween Run Michigan Cheap Half Marathon 10K & 5K – Saranac Saranac MI
Sat Oct 30 Hallowrock Half Marathon 10K & 5K Las Vegas NV
Sat Oct 30 Happy Girls Run Sisters Half Marathon & 5K Sisters OR
Sat Oct 30 Haunted Half Marathon & 5K – Provo Provo UT
Sat Oct 30 Haunted Half Marathon 10K & 5K Hurricane WV
Sat Oct 30 Haunted Hilly Half Marathon Terrible 10K & Frightening 5K Bristol IN
Sat Oct 30 Hero Half Marathon & Relay Fayetteville AR
Sat Oct 30 Hill Country Halloween Half Marathon Cedar Park TX
Sat Oct 30 Hueston Woods Half Marathon & 10K College Corner OH
Sat Oct 30 Innsbrook Half Marathon Innsbrook MO
Sat Oct 30 Michigan Monster Dash Half Marathon 10K & 5K Milford MI
Sat Oct 30 Oakland Hills Trail Run Half Marathon 35K & 10K Oakland CA
Sat Oct 30 Run the Bluegrass Fall Royale Half Marathon & 10K Lexington KY
Sat Oct 30 Savin Rock Marathon & Half Marathon West Haven CT
Sat Oct 30 Schaeffer Half Marathon & 10K Trail Run Germantown MD
Sat Oct 30 Spooky Sprint Half Marathon 10K & 5K Lees Summit MO
Sat Oct 30 Stephensville Lions Spooktacular Half Marathon 10K & 5K Stephensville TX
Sat Oct 30 Stinson Beach Marathon Half Marathon & 7-Mile Stinson Beach CA
Sat Oct 30 Triple Lakes Trail Half Marathon 40K & 40-Mile Greensboro NC
Sat Oct 30 Viking Dash Half Marathon 10K & 5K Fairburn GA
Sat Oct 30 ZombieRunner Halloween Marathon Half Marathon 10K & 5K San Jose CA

Sunday, October 31
Sun Oct 31 All-Out Kooky-Spooky Half Marathon 10K & 5K Golden CO
Sun Oct 31 Big Easy Halloween Half Marathon & 5K New Orleans LA
Sun Oct 31 Colt State Park Half Marathon Bristol RI
Sun Oct 31 Dothan Running Festival Half Marathon Dothan AL
Sun Oct 31 Down2Earth Cross Country Half Marathon 10K & 5K Hialeah FL
Sun Oct 31 Florida Halloween Halfathon 10K & 5K St. Petersburg FL
Sun Oct 31 Hairy Gorilla Half Marathon & Squirrelly 6-Miler Voorheesville NY
Sun Oct 31 Halloween Half Marathon & Relay Morristown NJ
Sun Oct 31 Halloween Run Michigan Cheap Half Marathon 10K & 5K – Midland Midland MI
Sun Oct 31 Halloween Hustle Half Marathon & 5K Marietta PA
Sun Oct 31 Haunted Forest Marathon Half Marathon & 5K Canton OH
Sun Oct 31 Marin County Half Marathon 10K & 5K San Rafael CA
Sun Oct 31 Mayor's Marathon Half Marathon & 5K Lubbock TX
Sun Oct 31 Northern Ohio Marathon & Half Marathon Mentor OH
Sun Oct 31 Phoenix Wicked Half Marathon 10K & 5K Peoria AZ
Sun Oct 31 Redding Road Race Half Marathon & 7-Mile Redding CT
Sun Oct 31 Seacoast Half Marathon Portsmouth NH
Sun Oct 31 Scary Run Half Marathon 10K & 5K Washougal WA
Sun Oct 31 Semper Fi Half Marathon & 5K Washington DC
Sun Oct 31 Treasure Coast Halloween Half Marathon Stuart FL
Sun Oct 31 Virginia Spartan Trail Half Marathon 50K & 10K Arrington VA

13 Scenic Southwest Half Marathons

16 Gorgeous Trail Half Marathons in Forests

27 Scenic California Half Marathons

21 Bucket List Half Marathons

Training Plans

Race Calendars