See all May 2016 half marathons across the USA listed by state, or click Race Calendars above to see each state’s yearly calendar. For each race, you’ll find course maps, elevation profiles, reviews and info on how to register.
See also: May 2016 Half Marathons, Listed by Date
Alabama
- Sat, May 14: The Half and Half Half Marathon in Pelham, AL
- Sun, May 22: Xterra Oak Mountain Trail Runs in Pelham, AL
Alaska
- Sat, May 14: Totem to Totem Half Marathon in Ketchikan, AK
- Sat, May 28: Prince of Wales Island Marathon, Half Marathon and Relay in Craig, AK
- Sat, May 28: Trent-Waldron Glacier Half Marathon & Pulsator 10K in Anchorage, AK
Arizona
- Sat, May 7: Grand Canyon Half Marathon in Tusayan, AZ
- Sat, May 14: Whiskey Row Marathon, Half Marathon & 10K in Prescott, AZ
Arkansas
- Sat, May 14: Boys and Girls Club of Malvern and Hot Spring County Half Marathon in Malvern, AR
California
- Sun, May 1: Avenue of the Giants Marathon, Half Marathon & 10K in Weott, CA
- Sun, May 1: Leoni Meadows Trail Half Marathon in Grizzly Flats, CA
- Sun, May 1: The OC Marathon, Half Marathon & 5K in Newport Beach, CA
- Sun, May 1: Pony Express Marathon & Half Marathon in Sacramento, CA
- Sun, May 1: San Luis Obispo Marathon & Half Marathon in San Luis Obispo, CA
- Sat, May 7: Bayshore Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Sat, May 7: Folsom Lake Falcon Crest Trail Run in El Dorado Hills, CA
- Sat, May 7: Girls on the Go San Diego Half Marathon, 10K & 5K in San Diego, CA
- Sat, May 7: Horseshoe Lake Trail Run Marathon, Half Marathon, 50K & 5M in Palo Alto, CA
- Sat, May 7: Mermaid Run East Bay Half Marathon, 5K, 10K & 18-Mile in Fremont, CA
- Sat, May 7: Mother’s Celebration 10k, Half Marathon, Marathon in Huntington Beach, CA
- Sat, May 7: Mother’s Day Half Marathon, 10K & 5K in El Sobrante, CA
- Sat, May 7: Rina’s Run Half Marathon & 5K in Ripon, CA
- Sat, May 7: Santa Barbara Wine Country Half Marathon in Santa Ynez, CA
- Sun, May 8: Beachfront Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Sun, May 8: Disney Tinker Bell Half Marathon,10K & 5K in Anaheim, CA
- Sun, May 8: Mother’s Day Half Marathon, 15K, 10K & 5K in Van Nuys, CA
- Sat, May 14: Blaze the Path Marathon, Half Marathon, 10K & 5K in Lake Forest, CA
- Sat, May 14: Cinderella Trail Run Marathon, Half Marathon, 10K & 50K in Oakland, CA
- Sat, May 14: Dirty Diva Trail Run Half Marathon, 10 & 5K in Granite Bay, CA
- Sat, May 14: Edwards AFB Run With History in Edwards, CA
- Sat, May 14: Muir Woods Marathon, Half Marathon and 7-Mile in Stinson Beach, CA
- Sat, May 14: Reservoir Dogs Half Marathon, 35K, 10K & 5K in Orinda, CA
- Sat, May 14: Run in the Pines Half Marathon, 50K, 20M, 10M & 5K in Pollock Pines, CA
- Sat, May 14: Sutter Buttes Spirit Mountain Run in Sutter, CA
- Sat, May 14: Tilden Trail Marathon, Half Marathon & 10K in Berkeley, CA
- Sat, May 14: Xterra Malibu Creek Trail Run 22K & 6K in Malibu, CA
- Sun, May 15: Avenue of the Vines Half Marathon & 5K in Lodi, CA
- Sun, May 15: Beach Blast Half Marathon, 15K, 10K & 5K in Santa Monica, CA
- Sun, May 15: Cruise the Coast Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Sat, May 21: China Camp Trail Run Half Marathon, 10K & 5K in San Rafael, CA
- Sat, May 21: Cycle EastLake and Run Half Marathon in Chula Vista, CA
- Sat, May 21: Fun in the Sun Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Sat, May 21: Tommy Scott Memorial Half Marathon in Los Angeles, CA
- Sat, May 21: Wildcat Half Marathon, 10K & 5K in El Sobrante, CA
- Sun, May 22: The Magnificent Marathon, Half Marathon & 10K in Huntington Beach, CA
- Sun, May 22: Race for Literacy Half Marathon, 10K & 5K in Los Gatos, CA
- Sun, May 22: Surfer’s Path Marathon, Capitola Half Marathon & Relay in Santa Cruz, CA
- Sun, May 22: Windsor Green Half Marathon, 10K & 5K in Windsor, CA
- Sat, May 28: Danville Half Marathon & 10K in Danville, CA
- Sat, May 28: Morro Bay Bands on the Run Half Marathon, 10K & 5K in Morro Bay, CA
- Sat, May 28: Nitro Trail Half Marathon, 10K & 5K in Pinole, CA
- Sat, May 28: Rock the Marina Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Sat, May 28: Shasta Cascade Weekend Sports Festival Marathon & Half Marathon in Redding, CA
- Sun, May 29: Lake Balboa Half Marathon in Van Nuys, CA
- Sun, May 29: Mountains 2 Beach Marathon & Half Marathon in Ventura, CA
- Sun, May 29: Rockin’ the Coast Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Mon, May 30: City of Laguna Hills Memorial Day Half Marathon, 10K & 5K in Laguna Hills, CA
Colorado
- Sun, May 1: Colorado Marathon, Half Marathon, 10K & 5K in Fort Collins, CO
- Sat, May 7: Grand Valley Marathon, Half Marathon, 10K & 5K in Palisade, CO
- Sat, May 7: runBlossom Half Marathon, 5 Mile & 5K in Cañon City, CO
- Sun, May 15: Colfax Marathon, Half Marathon & 10-Miler in Denver, CO
- Sun, May 15: Norad Trail Race Half Marathon in Colorado Springs, CO
- Sat, May 21: Carbon Valley Half Marathon & 5K in Firestone, CO
- Sat, May 21: Fear the Deer Half Marathon in Littleton, CO
- Sat, May 21: Hoka One One Palmer Lake Trail Half Marathon & 10K in Palmer Lake, CO
- Sun, May 22: Erie Half Marathon & 5K in Erie, CO
- Sun, May 29: Spirit Trail Run Half Marathon & 8K in Buena Vista, CO
- Mon, May 30: Vail Valor Races Marathon, Half Marathon, 5M & 1M in Vail, CO
Connecticut
- Sun, May 1: Redding Road Race Half Marathon & 7-Mile in Redding, CT
- Sun, May 15: Mystic Half Marathon & 10K in Mystic, CT
- Thu, May 19: Nutmeg State Marathon & Half Marathon in Hartford, CT
- Fri, May 20: New England Series Marathon, Half Marathon & 5K – Day 6 in Simsbury, CT
- Sat, May 28: Hamden Hills Half Marathon & 5K in Hamden, CT
- Mon, May 30: Oh Boy Marathon & Half Marathon in Waterbury, CT
Delaware
- Wed, May 4: Independence Series Marathon & Half Marathon – Day 1 in Bear, DE
- Sun, May 8: Delaware Marathon, Half Marathon & Relay in Wilmington, DE
- Sun, May 22: Xterra White Clay Creek Trail Run Half Marathon & 10K in Newark, DE
District of Columbia
- Sun, May 1: Potomac River Run Marathon & Half Marathon in Washington, DC
Florida
- Sun, May 1: Palm Bluff Trail Race Half Marathon and Ultra Marathon in Osteen, FL
- Sun, May 1: USA Beach Running Championships Half Marathon & 10K in Cocoa Beach, FL
- Sat, May 7: Tails and Trails Half Marathon, 10K & 5K in Tallahassee, FL
- Sun, May 22: Down 2 Earth Half Marathon, 10K & 5K Trail Run in North Miami Beach, FL
Georgia
- Sat, May 7: Dirty Spokes Harbins Park Half Marathon & 3.5-Mile Trail Run in Dacula, GA
- Sun, May 8: Mother’s Day Half Marathon in Dacula, GA
- Sat, May 14: Chasing Jefferson Davis Marathon & Half Marathon in Fitzgerald, GA
- Sat, May 14: Georgia National Guard Foundation Half Marathon, 5K and Ruck Run in Canton, GA
- Sun, May 29: Dawson Forest Georgia’s “Area 51” Trail Half Marathon, 10K & 5K in Dawsonville, GA
- Sun, May 29: Pre-Memorial Day Half Marathon, 10K & 5K in Lawrenceville, GA
- Mon, May 30: Memorial Day Freedom Run Half Marathon in Cumming, GA
Hawaii
- Sun, May 29: Hibiscus Half Marathon, 15K & 5-Mile in Honolulu, HI
Idaho
- Sat, May 7: State Park Series #1 – Farragut SP Half Marathon & 5-Mile in Athol, ID
- Sat, May 14: Tutu Run Half Marathon & 10K in Nampa, ID
- Sat, May 21: Famous Idaho Potato Marathon, Half Marathon, 10K & 5K in Boise, ID
- Sat, May 21: Tommy Vaughn’s Marathon, Half Marathon, 10K & 5K in Blackfoot, ID
- Sat, May 28: Redfish Lake Lodge Memorial Run Half Marathon, 10K & 5K in Stanley, ID
- Sun, May 29: Coeur d’Alene Marathon, Half Marathon & 5K in Coeur d’Alene, ID
- Sun, May 29: Priest Lake Spring Festival Run in Coolin, ID
Illinois
- Sun, May 1: Great Western Half Marathon in St. Charles, IL
- Sat, May 7: Lake Run Half Marathon, 12K, 7K & 3 Mile in Hudson, IL
- Sat, May 7: YMCA Schoolhouse Rockin’ Half Marathon in Maryville, IL
- Sun, May 8: Quad Cities Distance Classic Half Marathon & 5K in Rock Island, IL
- Sat, May 14: Literacy Half Marathon in Rockford, IL
- Sat, May 14: Races For All Paces Half Marathon, 10K, 5K & 1-Mile in Mattoon, IL
- Sat, May 14: Starved Rock Country Marathon & Half Marathon in Ottawa, IL
- Sun, May 15: Chicagoland Spring Marathon & Half Marathon in Schaumburg, IL
- Sat, May 21: Bridge the Gap to Health Half Marathon, 10K & 5K in Quincy, IL
- Sun, May 22: Chicago Spring 13.1 & 10K in Chicago, IL
- Sun, May 22: Rockford Marathon, Half Marathon & 10K in Rockford, IL
Indiana
- Sat, May 7: OneAmerica 500 Festival Mini-Marathon & 5K in Indianapolis, IN
- Sat, May 14: Dances With Dirt Gnaw Bone Trail Marathon, Half Marathon, 50M, 50K & 10K in Nashville, IN
- Sat, May 14: Spring Fitness Run 5K & Half Marathon in Warsaw, IN
- Sat, May 21: Geist Half Marathon, 10K & 5K in Fishers, IN
- Sat, May 21: Run with the Foxes Half Marathon in Martinsville, IN
- Sat, May 21: Seymour Half Marathon & Flash Jackson County 5K in Seymour, IN
- Sat, May 28: NHHS Running for the Bulldogs Half Marathon in New Haven, IN
- Sat, May 28: Noblesville Mini Marathon, 10K & 5K in Noblesville, IN
Iowa
- Sun, May 1: Red Shoe Run/Walk Half Marathon, 1-Mile & 5K in Iowa City, IA
- Sat, May 21: Kewash Trail Half Marathon in Washington, IA
- Sat, May 21: LiveFit With Lupus Half Marathon, 10K, 5K & 1-Mile in Le Claire, IA
- Sat, May 21: Marion Arts Festival Half Marathon & 5K in Marion, IA
- Sat, May 28: Run Loess Half Marathon in Council Bluffs, IA
Kansas
- Sun, May 1: Buffalo Bell Stampede Half Marathon, 10K & 5K in Leavenworth, KS
- Sun, May 1: Prairie Fire Spring Half Marathon in Wichita, KS
- Sat, May 14: Lake Perry Trail Runs Half Marathon, 50K & 5K in Meriden, KS
- Sat, May 14: Running With the Cows Half Marathon & 5K in Bucyrus, KS
- Sat, May 14: SCOUTStrong Challenge Half Marathon in Kansas City, KS
- Sat, May 21: Kansas City Corporate Challenge Half Marathon in Overland Park, KS
Kentucky
- Sun, May 1: Backside Trail Marathon & Half Marathon in Louisville, KY
- Sat, May 7: Paducah Iron Mom Half Marathon & Relay in Paducah, KY
- Sat, May 14: Honeysuckle & Horse Patty Half Marathons in Swamp Branch, KY
- Sat, May 21: Horse Capital Marathon & Half Marathon in Lexington, KY
Maine
- Sat, May 14: Casco Bay 21K Race & Relay in Portland, ME
- Sat, May 14: Maine Coast Half Marathon in Biddeford, ME
- Sun, May 15: New England Series Marathon, Half Marathon & 5K – Day 1 in Sanford, ME
- Mon, May 16: Pine Tree Marathon & Half Marathon in Portland, ME
- Sun, May 22: Fort Edgecomb Half Marathon in Edgecomb, ME
Maryland
- Sun, May 1: St. Mary’s Historic Half in St. Mary’s City, MD
- Thu, May 5: Independence Series Marathon & Half Marathon – Day 1 in Elkton, MD
- Sun, May 8: Frederick Running Festival Half Marathon, Relay & 5K in Frederick, MD
- Sat, May 14: Maryland Half Marathon in Fulton, MD
- Sat, May 21: St. Michaels Running Festival Half Marathon, 10K & 5K in St. Michaels, MD
Massachusetts
- Sun, May 1: Earth Rock Run Half Marathon in Andover, MA
- Sat, May 7: Ipswich Ale Half Marathon in Ipswich, MA
- Sat, May 7: Twin Lights Half Marathon in Gloucester, MA
- Sun, May 8: WMass Mother’s Day Half Marathon in Whately, MA
- Sat, May 14: Spring for the Trails Half Marathon in Ipswich, MA
- Sun, May 15: durtyfeet Trail Series Wallum Lake Half Marathon & 10K in Douglas, MA
- Sun, May 15: The Fast Half in South Hamilton, MA
- Sun, May 15: Newburyport River Run Half Marathon & 5K in Newburyport, MA
- Wed, May 18: New England Series Marathon, Half Marathon & 5K – Day 4 in Northfield, MA
- Fri, May 20: Old Colony Marathon & Half Marathon in Springfield, MA
- Sun, May 22: Horseneck Half Marathon in Westport, MA
- Sun, May 22: Steel Rail Half Marathon in Lanesborough, MA
- Sun, May 29: Boston’s Run to Remember Half Marathon & 5-Mile in Boston, MA
- Sun, May 29: Great Hyannis Road Races Johnny Kelley Half Marathon in Hyannis, MA
- Sun, May 29: Memorial Day Races Marathon, Half Marathon, 10K & 5K in Great Barrington, MA
Michigan
- Sat, May 7: Hope Starts Here Challenge Half Marathon, 5K & 10K in Marquette, MI
- Sun, May 8: Borgess Half Marathon in Kalamazoo, MI
- Sun, May 8: Run Free Tiffany Ferguson Memorial Half Marathon, 10K & 5K in Kalkaska, MI
- Sat, May 14: Run Michigan Cheap Half Marathon – Traverse City in Traverse City, MI
- Sun, May 15: Michigan Shores Mini & 5K in New Buffalo, MI
- Sun, May 15: Stony Creek ‘Back to the Beach’ Half Marathon, 10K & 5K in Shelby Township, MI
- Sat, May 21: DeWitt Take a Breath for PH and Get Moving for MS Half Marathon in Dewitt, MI
- Sat, May 21: Greater Midland Dow Run/Walk Half Marathon in Midland, MI
- Sat, May 21: Run Michigan Cheap Half Marathon – St. Johns in St. Johns, MI
- Sat, May 21: Saint Ignace Rock & Run Half Marathon & 5K in Saint Ignace, MI
- Sat, May 21: Wheatlake Festival of Races Half Marathon, 5K & Kid’s Dash in Big Rapids, MI
- Sun, May 22: Run Michigan Cheap Half Marathon – Northville in Northville, MI
- Sat, May 28: Bayshore Marathon, Half Marathon & 10K in Traverse City, MI
- Sun, May 29: North Mitten Half Marathon & 10K in Thompsonville, MI
- Sun, May 29: Run Michigan Cheap Half Marathon – Midland in Midland, MI
Minnesota
- Sun, May 1: Lake Minnetonka Half Marathon in Wayzata, MN
- Sat, May 7: From the Heart Run Half Marathon & 5K in Owatonna, MN
- Sat, May 7: Ham Run Half Marathon & 5K in Grand Marais, MN
- Sat, May 7: New Prague Half Marathon, 10K & 5K in New Prague, MN
- Sat, May 7: Robin Run Half Marathon, 10K & 5K in Rochester, MN
- Sat, May 7: Ron Erno Memorial Lake Minnewaska Half Marathon in Glenwood, MN
- Sat, May 14: Maple Grove Half Marathon, Relay & 5K in Maple Grove, MN
- Sun, May 15: Apple Blossom Races Half Marathon, 10K & 5K in Hastings, MN
- Sun, May 15: Run & Ride Valleyfair Half Marathon, 10K, 5K & 1M in Shakopee, MN
- Sat, May 21: The Birdtown Half Marathon in Robbinsdale, MN
- Sat, May 28: Growing Green Trail Run Half Marathon in Rush City, MN
- Sat, May 28: Stillwater Half Marathon & 5K in Stillwater, MN
- Sun, May 29: Med City Marathon, Half Marathon, Relay & 20-Mile in Rochester, MN
Mississippi
- Sat, May 14: Magnolia Meltdown Half Marathon, 10K & 5K in Ridgeland, MS
Missouri
- Sun, May 1: Independence Half Marathon & 5K in Independence, MO
- Sat, May 7: Trail to a Cure Half Marathon, 10K & 5K in Rocheport, MO
- Sat, May 14: RiverTownRun Half Marathon & 5K in Washington, MO
- Sun, May 15: Divas Half Marathon & 5K Midwest in Branson, MO
- Sat, May 21: Go Girl Run Columbia Women’s Half Marathon & 5K in Columbia, MO
- Sat, May 21: Joplin Memorial Half Marathon, 5K & 1-Mile in Joplin, MO
- Sat, May 21: Striker Life Half Marathon in Whiteman AFB, MO
- Sun, May 22: Race 13.1 St. Louis Half Marathon & 5K in St. Louis, MO
Montana
- Sun, May 15: Buffalo Jump Races Half Marathon in Ulm, MT
- Sun, May 15: Run for Heaven’s Sake Half Marathon in Billings, MT
- Sat, May 28: Frank Newman Spring Marathon & Half Marathon in Bozeman, MT
Nebraska
- Sun, May 1: Lincoln National Guard Marathon & Half Marathon in Lincoln, NE
- Sun, May 15: Papillion Half Marathon, 10K & 5K in Papillion, NE
Nevada
- Sun, May 1: Downtown River Run Marathon & Half Marathon in Reno, NV
- Sun, May 1: RENO 5000 Running Series Half Marathon in Reno, NV
- Sun, May 1: WildLand Fire Awareness Trail Half Marathon & 5K in Las Vegas, NV
- Sat, May 7: Revel Mount Charleston Marathon & Half Marathon in Las Vegas, NV
- Sat, May 14: Flight of Fire Trail Half Marathon & 10K in Las Vegas, NV
- Sat, May 21: Silver State 50K, 50-Miler & Trail Half Marathon in Reno, NV
- Sat, May 21: Trails of Fury Half Marathon, 50K, 30K, 10K & 5K in Las Vegas, NV
- Sun, May 29: Down 2 Earth Half Marathon & 5K Vegas Run in Las Vegas, NV
- Sun, May 29: Wildland Fire Awareness Trail Half Marathon and 5K in Reno, NV
New Hampshire
- Sat, May 7: Big Lake Half Marathon in Alton, NH
- Sun, May 15: Gate City Marathon, Half Marathon & Relay in Nashua, NH
- Sun, May 15: Wallis Sands Half Marathon in Rye, NH
- Mon, May 16: New England Series Marathon, Half Marathon & 5K – Day 2 in Greenfield State Park, NH
- Tue, May 17: Granite State Marathon & Half Marathon in Nashua, NH
New Jersey
- Sun, May 1: New Jersey Marathon, Half Marathon & Relay in Long Branch, NJ
- Sun, May 1: Rock the River: Palisades Half Marathon, 5K & 6K in Fort Lee, NJ
- Sat, May 7: Independence Series Marathon, Half Marathon & 5K – Day 4 in Clinton, NJ
- Sun, May 8: Rubin Run Half Marathon, 10K & 5K in Tenafly, NJ
- Sun, May 15: Superhero Half Marathon & Relay in Morris Township, NJ
- Sun, May 15: The Wild Half Marathon & 8K in Wildwood, NJ
- Sat, May 21: Bassman Half Marathon in Tuckerton, NJ
New Mexico
- Sun, May 1: Run for the Zoo Half Marathon in Albuquerque, NM
- Sat, May 7: Shiprock Marathon, Half Marathon & Relay in Shiprock, NM
- Sat, May 21: Jemez Mountain Trail Runs Half Marathon, 50K & 50-Mile in Los Alamos, NM
- Sat, May 21: Red River High Mountain Half Marathon & 5K in Red River, NM
New York
- Sun, May 1: Greater Binghamton Bridge Run Half Marathon & 5K in Binghamton, NY
- Sun, May 1: Long Island Marathon, Half Marathon & 10K in East Meadow, NY
- Sun, May 1: The North Face Endurance Challenge – Bear Mountain Half Marathon in Bear Mountain, NY
- Sun, May 1: Plattsburgh Half Marathon & Relay in Plattsburgh, NY
- Sat, May 7: Bridgehampton Half Marathon in Bridgehampton, NY
- Sat, May 7: Grand Island Half Marathon & 10K in Grand Island, NY
- Sat, May 7: Happy Half Marathon & 5K in Ellicottville, NY
- Sat, May 7: Mother’s Day Half Marathon in Rockaway Beach, NY
- Sat, May 7: Run to the Sun Half Marathon, 10K & 5K in Watertown, NY
- Sun, May 8: Independence Series Marathon, Half Marathon & 5K – Day 5 in Paltz, NY
- Sat, May 14: Home Away From Home Half Marathon & 5K in Troy, NY
- Sat, May 14: Rhinebeck Hudson Valley Marathon & Half Marathon in Rhinebeck, NY
- Sun, May 15: Riverdale Y Half Marathon, 10K & 5K in Bronx, NY
- Sat, May 21: Airbnb Brooklyn Half Marathon in Brooklyn, NY
- Sat, May 21: New England Series Marathon, Half Marathon & 5K – Day 7 in New Paltz, NY
- Sun, May 22: Canandaigua Classic Half Marathon & 5K in Canandaigua, NY
- Sun, May 22: Erie Canal Race Half Marathon in Utica, NY
- Sun, May 29: Buffalo Marathon, Half Marathon, Relay & 5K in Buffalo, NY
North Carolina
- Sat, May 7: New River Marathon, Half Marathon & 5K in Todd, NC
- Sat, May 7: Spartan Half Marathon & 5K in Davidson, NC
- Sat, May 14: Gateway to the Smokies Half Marathon in Waynesville, NC
- Sat, May 14: Run for the Warriors Half Marathon, 10K & 5K in Jacksonville, NC
- Sun, May 15: Race 13.1 Greensboro Half Marathon, 10K & 5K in Greensboro, NC
- Sat, May 21: Roanoke Canal Half Marathon & 8K in Roanoke Rapids, NC
- Sat, May 21: Run Sunset Beach Half Marathon, 5K & 1-Mile in Sunset Beach, NC
- Sun, May 22: Big Hungry Half Marathon in Saluda, NC
- Sun, May 22: NCRC Classic Half Marathon & 10K in Cary, NC
- Sun, May 29: Vac & Dash Moonlight 1/2 Marathon, 5K, Movie & Double Feature Run in Albemarle, NC
North Dakota
- Sat, May 21: Scheels Fargo Marathon, Half Marathon, 10K & 5K in Fargo, ND
Ohio
- Sun, May 1: Broke Man’s Half Marathon – Lorain in Lorain, OH
- Sun, May 1: Flying Pig Marathon & Half Marathon in Cincinnati, OH
- Sun, May 1: Run For Chardon Half Marathon & 5K in Chardon, OH
- Sat, May 7: Cleveland Trail Marathon, Half Marathon & 50K in Willoughby Hills, OH
- Sat, May 14: Mercy Hill Half Marathon in Walnut Creek, OH
- Sun, May 15: Rite Aid Cleveland Marathon, Half Marathon, 10K & 5K in Cleveland, OH
- Sat, May 21: New Moon Half & Quarter Marathon in Delaware, OH
- Sat, May 21: To Do My Best Half Marathon, 10K & 5K in Piqua, OH
- Sat, May 28: Medina Half Marathon & 5K in Medina, OH
- Sun, May 29: REP Spring Half Marathon in Mt. Perry, OH
Oregon
- Sun, May 1: Cinco de Mayo Half Marathon, 10K & 5K in Portland, OR
- Sun, May 1: Eugene Marathon, Half Marathon & 5K in Eugene, OR
- Sun, May 1: Twisted Pine Half Marathon & 5 Miler in Newport, OR
- Sun, May 1: Volcano Valley Half Marathon, 10K & 5K in Gervais, OR
- Sat, May 7: Hippie Chick Quarter & Half Marathon in Hillsboro, OR
- Sun, May 8: Smith Rock Half Marathon & 10K in Terrebonne, OR
- Sun, May 15: Youngberg Hill Half, 10K & 5K in McMinnville, OR
- Sat, May 21: Queen of the High Road Women’s Half Marathon & 10K in Wilsonville, OR
- Sat, May 21: Race Through Hells Canyon Half Marathon in Oxbow, OR
- Sun, May 22: Grapes of Half in Eugene, OR
- Sun, May 22: Keizer Iris Runs Half Marathon & 10K in Keizer, OR
- Sun, May 22: Run on the River Half Marathon, 10K & 5K in Astoria, OR
- Sat, May 28: Eastern Oregon Half Marathon in Spray, OR
- Sat, May 28: Happy Girls Run Half Marathon, 10K & 5K in Bend, OR
- Sat, May 28: Hero Half in Sweet Home, OR
- Sat, May 28: Oregon Spring Half & 5K in St. Paul, OR
- Sat, May 28: Pacific Northwest Marathon, Half Marathon & 5K in Eugene, OR
- Sat, May 28: Trail Factor Half Marathon in Portland, OR
Pennsylvania
- Sun, May 1: Greenwood Furnace Trail Challenge Half Marathon in Greenwood Furnace SP, PA
- Sun, May 1: Pittsburgh Marathon, Half Marathon & 5K in Pittsburgh, PA
- Fri, May 6: Independence Series Marathon, Half Marathon & 5K – Day 3 in Birdsboro, PA
- Sat, May 7: River Towns Marathon & Half Marathon in Danville, PA
- Sat, May 7: Turkey Hill Country Classic Half Marathon in Washington Boro, PA
- Sun, May 15: Chester County Half Marathon & Memorial 5K in Coatesville, PA
- Sat, May 28: Path of the Flood Half Marathon in Johnstown, PA
- Sun, May 29: Charlie Horse Trail Half Marathon in Mohnton, PA
- Sun, May 29: Greater Reading Half Marathon in Reading, PA
- Mon, May 30: Ghost Town Half Marathon in Black Lick, PA
Rhode Island
- Sun, May 1: Providence Rhode Races Marathon, Half Marathon & 5K in Providence, RI
- Sun, May 8: Swamp Meadow Covered Bridge Half Marathon & 5K in Foster, RI
- Wed, May 18: Red Island Marathon & Half Marathon in Warwick, RI
- Thu, May 19: New England Series Marathon, Half Marathon & 5K – Day 5 in Coventry, RI
South Carolina
- Sun, May 1: Divas Half Marathon & 5K in North Myrtle Beach in N. Myrtle Beach, SC
- Sun, May 1: MayDay Marathon & Half Marathon in Charleston, SC
- Sat, May 14: Governor’s Cup Half Marathon in Columbia, SC
- Sat, May 21: Mill Stone Half Marathon & 8K Trail Races in Fort Mill, SC
South Dakota
- Sat, May 14: Brookings Marathon, Half Marathon & Relay in Brookings, SD
Tennessee
- Sun, May 1: Race 13.1 Knoxville Half Marathon, 10K & 5K in Knoxville, TN
- Sat, May 21: Viola Valley Half Marathon in Viola, TN
- Sat, May 21: West Tennessee Warrior Run in Gadsden, TN
- Sun, May 22: Highland Half Marathon & Scot Trot 5K in Maryville, TN
- Sat, May 28: Great American River Run Half Marathon & 5K in Memphis, TN
Texas
- Sun, May 1: I Ran Marathons Battle of May Flowers Rose Half Marathon in San Antonio, TX
- Sun, May 1: Skyline Half Marathon, 10K & 5K in Dallas, TX
- Mon, May 2: I Ran Marathons Battle of May Flowers Sunflower Half Marathon in San Antonio, TX
- Sat, May 7: Hope & Healing Place Half Marathon in Amarillo, TX
- Sat, May 7: WFRC Dam Run Half Marathon, 10K & 5K in Wichita Falls, TX
- Sat, May 7: Wildflower Half Marathon in Bastrop, TX
- Sat, May 14: Canton Balloon Half Marathon in Canton, TX
- Sat, May 14: Temple Rotary Club Half Marathon & 5K in Temple, TX
- Fri, May 27: I Ran Marathons Memorial Heroes – Marine in San Antonio, TX
- Sat, May 28: I Ran Marathons Memorial Heroes – JFK in San Antonio, TX
- Sat, May 28: The MS (Multiple Sclerosis) Marathon & Half Marathon in Dallas, TX
- Sat, May 28: Stud Run Half Marathon, 10K & 5K in New Braunfels, TX
- Sun, May 29: I Ran Marathons Memorial Heroes – Crazy Horse in San Antonio, TX
- Sun, May 29: Jim’s Goose Chase Marathon & Half Marathon in Dallas, TX
- Mon, May 30: I Ran Marathons Memorial Heroes – MLK in San Antonio, TX
- Mon, May 30: Memorial Day Marathon & Half Marathon in Dallas, TX
- Tue, May 31: I Ran Marathons Memorial Heroes – Malcolm X in San Antonio, TX
Utah
- Sat, May 7: 50 Cent Half Marathon in West Jordan, UT
- Sat, May 7: N.O. Limits Half Marathon in North Ogden, UT
- Sat, May 7: Provo City Half Marathon & 5K in Provo, UT
- Sat, May 14: Comb Ridge Classic Half Marathon & 10K in Blanding, UT
- Sat, May 14: The Dino Half in Vernal, UT
- Sat, May 14: Unified Firefighters Outreach Half Marathon & 5K in Herriman, UT
- Sat, May 14: Vigor Big Cottonwood Canyon Half Marathon, 10K & 5K in Cottonwood Heights, UT
- Sat, May 21: Huff to Bluff Marathon & Half Marathon in Blanding, UT
- Sat, May 21: Ogden Marathon, Half Marathon & 5K in Ogden, UT
- Sat, May 21: Timp Trail Marathon & Half Marathon in Orem, UT
- Sat, May 28: Alpine Classic Half Marathon & 5K in Alpine, UT
- Sat, May 28: Boys Chase Girls Half Marathon, 10K & 5K in Huntsville, UT
- Sat, May 28: Park City Wild Half Marathon, 10K & 5K in Kamas, UT
Vermont
- Sun, May 1: Middlebury Maple Run Sweetest Half Marathon & Relay in Middlebury, VT
- Sat, May 7: Lewis Creek Covered Bridges Half Marathon, 10K & 5K in Shelburne, VT
- Sat, May 14: JMMY Run Half Marathon in Georgia, VT
- Tue, May 17: New England Series Marathon, Half Marathon & 5K – Day 3 in Springfield, VT
- Sat, May 21: Dandelion Run Half Marathon & 10K in Derby, VT
Virginia
- Sun, May 1: Real Girls Run Half Marathon in Crozet, VA
- Sat, May 7: Shenanduro Trail Half Marathon in Bentonville, VA
- Sat, May 7: Trail Nut Half Marathon & 10K in Bedford, VA
- Sun, May 15: Marine Corps Historic Half Marathon & Semper 5ive Run in Fredericksburg, VA
- Sat, May 21: Mountain Valley Half Marathon & 10K in Keezletown, VA
- Sat, May 21: Race 13.1 Richmond Half Marathon in Richmond, VA
- Sun, May 29: Alexandria Running Festival Half Marathon & 5K in Alexandria, VA
Washington
- Sun, May 1: Chuckanut Mountain Marathon & Half Marathon in Bellingham, WA
- Sun, May 1: Horse Lake Half Marathon in Wenatchee, WA
- Sun, May 1: Tacoma City Marathon, Half Marathon, Relay & 5K in Tacoma, WA
- Sat, May 7: Cinco de Mayo Half Marathon & 8K in Snoqualmie, WA
- Sat, May 7: JBLM Half Marathon & 5K in JBLM, WA
- Sat, May 7: Orcas Island Marathon & Half Marathon in Olga, WA
- Sat, May 7: Sunflower Trail Marathon & Half Marathon in Mazama, WA
- Sun, May 8: Mother’s Day Half Marathon & 5K in Kirkland, WA
- Sun, May 8: Snohomish Women’s Run Half Marathon & 10K in Everett, WA
- Sun, May 15: Capital City Marathon, Half Marathon & 5-Mile in Olympia, WA
- Sat, May 21: Sage Rat Run Half Marathon in Sunnyside, WA
- Sat, May 28: Soaring Eagle Marathon, Half Marathon, 50K, 10K & 5K in Sammamish, WA
West Virginia
- Sat, May 14: Harpers Ferry Half Marathon, 5K & Kids Run in Harpers Ferry, WV
- Sat, May 28: Ogden Newspapers Half Marathon Classic in Wheeling, WV
- Sat, May 28: Wonderland Mountain Challenge Half Marathon & 10K in Oak Hill, WV
Wisconsin
- Sun, May 1: Eau Claire Marathon, Half Marathon, Relay & 5K in Eau Claire, WI
- Sun, May 1: One Mother of a Run Half Marathon, 10K & 5K in Lodi, WI
- Sat, May 7: Door County Half Marathon & Nicolet Bay 5K in Fish Creek, WI
- Sat, May 7: Grandad Half Marathon, Relay & 5K in La Crosse, WI
- Sat, May 7: Pigeon River Classic Half Marathon in Clintonville, WI
- Sat, May 7: Prairie du Chien Half Marathon & 5K in Prairie du Chien, WI
- Sat, May 7: RC2 Run/Walk Half Marathon, 10K & 5K in Ripon, WI
- Sat, May 7: Seven Lake Half Marathon in Amery, WI
- Sat, May 7: Wisconsin Marathon, Half Marathon & 5K in Kenosha, WI
- Sat, May 7: Wisconsin Trail Assail Half Marathon, 10K & 5K – Mother’s Day in Nashotah, WI
- Sat, May 14: Get It Dunn Run Half Marathon & 5K in Menomonie, WI
- Sat, May 14: Ice Age Trail Endurance Runs 50K, 50M & Half Marathon in La Grange, WI
- Sat, May 14: Journeys Marathon, Half Marathon & 5K in Eagle River, WI
- Sat, May 14: Kings and Queens Half Marathon in Pewaukee, WI
- Sat, May 14: Mighty Keagen Foundation Half Marathon in Reedsburg, WI
- Sat, May 14: Syttende Mai 5K & Half Marathon in Westby, WI
- Sat, May 14: Uff Da Run Half Marathon in Woodville, WI
- Sat, May 21: Tromp and Chomp Trail Run Half Marathon in La Farge, WI
- Sun, May 22: Cellcom Green Bay Marathon & Half Marathon in Green Bay, WI
- Sat, May 28: The Oz Run Half Marathon & 5K in Chippewa Falls, WI
- Sat, May 28: Salute the Troops Half Marathon in Fond du Lac, WI
- Sun, May 29: Madison Half Marathon in Madison, WI
Wyoming
- Sun, May 29: Wyoming Marathon Races Medicine Bow Half Marathon in Laramie, WY
