March 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 March 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.

Monday, March 1 – Friday, March 5


Fri Mar 5	Dust Bowl Series Marathon Half Marathon 10K & 5K – Day 1	Dalhart TX

Saturday, March 6


Sat Mar 6	Ashland City Half Marathon	Ashland City TN
Sat Mar 6	Dirty Hurty Half Marathon	Ivins UT
Sat Mar 6	Dust Bowl Series Marathon Half Marathon 10K & 5K – Day 2	Clayton NM
Sat Mar 6	Florida Track Club Marathon & Half Marathon	Hawthorne FL
Sat Mar 6	Lake Sammamish Half Marathon	Sammamish WA
Sat Mar 6	Little Patuxent River Half Marathon	Columbia MD
Sat Mar 6	Long Play Trail Run Half Marathon 33.3M & 10K	Brooksville FL
Sat Mar 6	Lucky Leprechaun Half Marathon 10-Miler & 5K	Versailles KY
Sat Mar 6	March Madness Half Marathon 10K & 5K	Woods Cross UT
Sat Mar 6	Mesquite Canyon Trail Runs	Waddell AZ
Sat Mar 6	Rolling Hills Half Marathon 10K & 5K	Lorton VA
Sat Mar 6	Run4Bibles Trail Run Marathon Half Marathon 10K & 5K	Dallas TX
Sat Mar 6	Winter Trail Fest Half Marathon & 5-Mile	Middleville MI
Sat Mar 6	The Woodlands Marathon Half Marathon 5K 2K & Relay	The Woodlands TX
Sat Mar 6	Xpress Half Marathon	Wichita Falls TX

Sunday, March 7


Sun Mar 7	Alamo 13.1 Marathon & Half Marathon	San Antonio TX
Sun Mar 7	Dust Bowl Series Marathon Half Marathon 10K & 5K – Day 3	Guymon OK
Sun Mar 7	Greybeard Half Marathon	Sarasota FL
Sun Mar 7	Hilton Head Half & Quarter Marathon	Hilton Head Island SC
Sun Mar 7	Louisiana Marathon & Half Marathon	Baton Rouge LA
Sun Mar 7	Marathon of the Treasure Coast	Stuart FL
Sun Mar 7	Quivering Quads Trail Half Marathon & 15K	Troy MO
Sun Mar 7	That Dam Run Half Marathon 10K & 5K	Greenwood Village CO

Monday, March 8 – Friday, March 12


Mon Mar 8	Dust Bowl Series Marathon Half Marathon 10K & 5K – Day 4	Ulysses KS
Tue Mar 9	Dust Bowl Series Marathon Half Marathon 10K & 5K – Day 5	Lamar CO
Fri Mar 12	Sports Backers Marathon Half Marathon & 5K	Henrico VA

Saturday, March 13


Sat Mar 13	Cactus Classic Trail Race Marathon Half Marathon & 10K	Manito IL
Sat Mar 13	Cottage Grove Half Marathon & 10K	Cottage Grove OR
Sat Mar 13	Creve Coeur St. Paddy's Half Marathon & 7K	Maryland Heights MO
Sat Mar 13	Flatlanders Canyon Crash Trail Run Half Marathon 50K 10K & 5K	Lumpkin GA
Sat Mar 13	Green River Half Marathon	Tukwila WA
Sat Mar 13	Live Well Half Marathon 5K & 1-Mile	Greenville NC
Sat Mar 13	Montgomery Half Marathon & 5K	Montgomery AL
Sat Mar 13	Okie Half Marathon & 5K	Muskogee OK
Sat Mar 13	Paradise Coast Half Marathon & 5K	Naples FL
Sat Mar 13	Pettit Indoor Half Marathon	Milwaukee WI
Sat Mar 13	Race for the Green Half Marathon & 5K	Seneca SC
Sat Mar 13	Run Through Time Marathon Half Marathon & 2-Mile	Salida CO
Sat Mar 13	Six Tunnels to Hoover Dam Half Marathon 12K 5K & 1-Mile	Boulder City NV
Sat Mar 13	Skidaway Island Marathon & Half Marathon	Savannah GA
Sat Mar 13	Sports Backers Marathon Half Marathon & 5K	Henrico VA
Sat Mar 13	St. Patrick's Fun Run Half Marathon 5.5-Mile & 3.5-Mile	Tuttle ID
Sat Mar 13	Starkey Wilderness Stomp Half Marathon Quarter Marathon & 5K	New Port Richey FL
Sat Mar 13	Tucson Shamrock Half Marathon 10K & 5K	Tucson AZ

Sunday, March 14


Sun Mar 14	Alsea Falls Spring Fling Half Marathon 10K & 5K	Alsea Falls OR
Sun Mar 14	Celebrate Life Half Marathon & Relay	Rock Hill NY
Sun Mar 14	CityTri Race Again at Central Park Half Marathon	New York NY
Sun Mar 14	Creve Coeur St. Paddy's Half Marathon & 7K	Maryland Heights MO
Sun Mar 14	March Madness Half Marathon	Cary IL
Sun Mar 14	Marco Island Half Marathon	Marco Island FL
Sun Mar 14	Sports Backers Marathon Half Marathon & 5K	Henrico VA
Sun Mar 14	St. Patty's Half Marathon & 5K	Washington DC
Sun Mar 14	Zydeco Marathon & Half Marathon	Lafayette LA

Saturday, March 20


Sat Mar 20	Asheville Half Marathon at Biltmore Estate	Asheville NC
Sat Mar 20	Blood Sweat & Beers Marathon Half Marathon 50K 30K 10K 5K & 2M	Boulder City NV
Sat Mar 20	Boulder Crest Half Marathon 10K & 5K	Springfield VA
Sat Mar 20	Brooklyn Spring Half Marathon	Brooklyn NY
Sat Mar 20	Canyonlands Half Marathon & 5-Miler	Moab UT
Sat Mar 20	Chambersburg Half Marathon	Chambersburg PA
Sat Mar 20	Dash Point State Park Trail Half Marathon & 10K	Federal Way WA
Sat Mar 20	Flora-Bama Beach Run/Walk for America's Warriors	Pensacola FL
Sat Mar 20	Grasslands Trail Run Marathon Half Marathon & 50-Mile	Decatur TX
Sat Mar 20	Labor of Love Marathon Half Marathon 50M 50K 10K & 5K	Lovell Canyon NV
Sat Mar 20	Longview Half Marathon	Longview TX
Sat Mar 20	Lucky 13 Half Marathon 10K & 5K	West Jordan UT
Sat Mar 20	O'Round the Loch Half Marathon 10K 5K & 1.7-Mile	Emmetsburg IA
Sat Mar 20	Our Lady of the Lake Children's Hospital Amazing Half Marathon & 5K	Baton Rouge LA
Sat Mar 20	San Felipe Shootout Half Marathon 10K & 5K	San Felipe TX
Sat Mar 20	Seabrook Lucky Trail Marathon 3/4 Marathon Half Marathon & Relay	Seabrook TX
Sat Mar 20	Special 13 & 26 Mile Trail Run	Safe Harbor PA
Sat Mar 20	St. Pat's Half Marathon	Rockaway Park NY
Sat Mar 20	Terrapin Mountain Half Marathon & 50K	Sedalia VA
Sat Mar 20	Venice Booty Boot Camp Half Marathon & 5K	Santa Monica CA
Sat Mar 20	Viking Half Marathon & 5K	Greenwood MS
Sat Mar 20	Wanderlust Half Marathon 10K & 5K	Fredericksburg TX

Sunday, March 21


Sun Mar 21	All-Out Spring Fever Half Marathon 10K & 5K	Golden CO
Sun Mar 21	Asheville Marathon & Half Marathon at Biltmore Estate	Asheville NC
Sun Mar 21	Des Moines St. Paddy's Marathon Half Marathon & 5K	Des Moines IA
Sun Mar 21	Down2Earth Half Marathon 10K & 5K	Hialeah FL
Sun Mar 21	McKenzie River Half Marathon & 5K	Eugene OR
Sun Mar 21	Pearland Half Marathon & 10K	Pearland TX
Sun Mar 21	Race to the Cave Half Marathon	Woodville AL
Sun Mar 21	Seabrook Lucky Trail Marathon 3/4 Marathon Half Marathon & Relay	Seabrook TX
Sun Mar 21	Shamrock Marathon Half Marathon & 8K	Virginia Beach VA
Sun Mar 21	Spring Equinox Half Marathon	Fort Collins CO
Sun Mar 21	Tesoro Viejo Spring Classic Half Marathon 10K & 5K	Madera CA
Sun Mar 21	Whiskey Hill Redwood Run	Woodside CA

Saturday, March 27


Sat Mar 27	A Pot of Gold Shared Half Marathon & 5K	Oskaloosa IA
Sat Mar 27	Bridge and Dam Half Marathon & 10K	Lake Ozark MO
Sat Mar 27	First Call Half Marathon 10K & 5K	Oconomowoc WI
Sat Mar 27	Garden Spot Village Half Marathon & 10K	New Holland PA
Sat Mar 27	Havasu Half Marathon	Lake Havasu City AZ
Sat Mar 27	Heels Up Half Marathon & Relay	Shreveport LA
Sat Mar 27	Irving Marathon Half Marathon 10K & 5K	Irving TX
Sat Mar 27	Lake Minneola Half Marathon 10K & 5K	Clermont FL
Sat Mar 27	Lenore Dolphin Memorial Run Marathon & Half Marathon	Kent WA
Sat Mar 27	NJ Ultra Trail Festival	Hardwick NJ
Sat Mar 27	Owyhee Off-Road Challenge Half Marathon 10K & 5K	Adrian OR
Sat Mar 27	Riverton Half Marathon & 5K	Riverton UT
Sat Mar 27	Run & Walk for Children Half Marathon & 5K	Bowling Green KY
Sat Mar 27	Run Sunset Beach Half Marathon & 5K	Sunset Beach NC
Sat Mar 27	Saguaro Half Marathon	Tucson AZ
Sat Mar 27	Shamrock Half Marathon & Relay	Manchester NH
Sat Mar 27	Shamrock Shuffle Half Marathon	Harmony PA
Sat Mar 27	Southern Illinois Spring Classic Half Marathon & 5K	Lawrenceville IL
Sat Mar 27	Southwest 100M 50M Marathon Half Marathon 10K & 5K	Fort Davis TX
Sat Mar 27	Spring Run for Fun Marathon Half Marathon 10-Mile & 5-Mile	Redmond WA
Sat Mar 27	T-Town Half Marathon	Tulsa OK
Sat Mar 27	Trail Trashed Half Marathon	Henderson NV
Sat Mar 27	Tuscaloosa Half Marathon	Tuscaloosa AL
Sat Mar 27	Two Rivers Marathon Half Marathon 10K & 5K	Lackawaxen PA
Sat Mar 27	Valencia Trail Race Half Marathon 50K & 10K	Santa Clarita CA

Sunday, March 28


Sun Mar 28	Cary Greenways Half Marathon 10K & 5K	Cary NC
Sun Mar 28	Duke City Half Marathon	Albuquerque NM
Sun Mar 28	Everett Half Marathon & 10K	Everett WA
Sun Mar 28	Sweetwater Valley Marathon Half Marathon & Relays	Sweetwater TN
Sun Mar 28	Two Rivers Marathon Half Marathon 10K & 5K	Lackawaxen PA