August 2023 Half Marathons

See all August 2023 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, August 5


Sat Aug 5	3H Trail Half Marathon	King George VA
Sat Aug 5	All-Out Runapalooza Half Marathon 10k 5k & 1M	Arvada CO
Sat Aug 5	Angel Island Half Marathon & 10k	Tiburon CA
Sat Aug 5	Beaver Canyon Marathon & Half Marathon	Beaver UT
Sat Aug 5	Catherine Creek Classic Half Marathon 5k & 1M	Union OR
Sat Aug 5	E.T. Full Moon Midnight 51k Marathon Half Marathon 10k & 5k	Rachel NV
Sat Aug 5	Galloping Gertie Half Marathon 10k & 5k	Gig Harbor WA
Sat Aug 5	Hell of a Half Marathon	Exeter CA
Sat Aug 5	High Mountain Half Marathon 10k & 5k	Pinetop-Lakeside AZ
Sat Aug 5	Huckleberry Half 15k 10k & 5k	Welches OR
Sat Aug 5	Human Race Half Marathon 10k & 5k	Fort Collins CO
Sat Aug 5	John & Jessie Kelley Half Marathon	New London CT
Sat Aug 5	Kirkwood's Ultras & Half Marathon	Kirkwood CA
Sat Aug 5	Medal Madness Movie 5k 10k & Half at Anclote Gulf Park	Holiday FL
Sat Aug 5	NYC Summer Half Central Park	New York NY
Sat Aug 5	Park City Trail Series Half Marathon	Park City UT
Sat Aug 5	Parowan City Half Marathon – Yankee Meadow Run Half Marathon & 5k	Parowan UT
Sat Aug 5	Real Freedom Races Half Marathon 10k & 5k	Necedah WI
Sat Aug 5	Run Mahomet Half Marathon 10k & 5k	Mahomet IL
Sat Aug 5	Smelter City Scamper Half Marathon 10k & 5k	Anaconda MT
Sat Aug 5	Soapstone Mountain Half Marathon	Kamas UT
Sat Aug 5	Still Hollow Trail Race Half Marathon & 10k	Chattanooga TN
Sat Aug 5	The Legend Half Marathon 10M & 5M	Laingsburg MI
Sat Aug 5	Wapsi Wiggle Half & 5k	Riceville IA
Sat Aug 5	Wisconsin Trail Assail – National Watermelon Day Run Half Marathon 10k & 5k	Hartford WI

Sunday, August 6


Sun Aug 6	Bridge of the Gods Run Half Marathon 10k & 5M	Cascade Locks OR
Sun Aug 6	Camarillo Marathon Half Marathon 10K & 5K	Camarillo CA
Sun Aug 6	Emerald Mountain Epic Marathon & Half Marathon	Steamboat Springs CO
Sun Aug 6	Funky Monkey Half Marathon 10k & 5k	Seekonk MA
Sun Aug 6	Hofbrauhaus Cleveland Half Marathon 10k & 5k	Cleveland OH
Sun Aug 6	Hoot Half & 10k	Lewis Center OH
Sun Aug 6	Hott in Here Half Marathon 10k & 5k	Ft. Worth TX
Sun Aug 6	Little Miami Half Marathon	Morrow OH
Sun Aug 6	Skyline 50K & Half Marathon	Castro Valley CA
Sun Aug 6	TripleThreat Half Marathon 5k & 1M	Rockport MA

Saturday, August 12


Sat Aug 12	Bear Creek Half Marathon 10k & 5k	Lafayette CA
Sat Aug 12	Beaver Chase Urban Trail Race Marathon Half Marathon & Quarter Marathon	Indianapolis IN
Sat Aug 12	Bluegrass Reaper Challenge & Half Marathon	Berea KY
Sat Aug 12	Boulder Rez Marathon 19.7M Half Marathon & 10k	Boulder CO
Sat Aug 12	Dave McKay Memorial Half Marathon & 5k	Flagstaff AZ
Sat Aug 12	Dragon's Den Half Marathon	San Antonio TX
Sat Aug 12	Georgetown to Idaho Springs Half Marathon	Georgetown CO
Sat Aug 12	Goodyear Half Marathon & 10K	Akron OH
Sat Aug 12	Gopher to Badger Half Marathon 10K & 5K	Stillwater MN
Sat Aug 12	Happy Half Marathon	Springfield OH
Sat Aug 12	Haulin' Aspen Marathon Half Marathon & 6.5M	Bend OR
Sat Aug 12	Hobble Creek Half Marathon	Mapleton UT
Sat Aug 12	Jenkins Mountain Scramble: Trail 10k & Half Marathon	Paul Smiths NY
Sat Aug 12	Madison Mini Marathon & 5k	Madison WI
Sat Aug 12	Med Bow Rail Marathon & Half Marathon	Albany WY
Sat Aug 12	Medal Madness Pirate Half Marathon 10k & 5k at Cousler Park	York PA
Sat Aug 12	Mines of Spain Trail Races Half Marathon 7M & 4M	Dubuque IA
Sat Aug 12	ORRC Garlic Festival Half Marathon 10k & 5k	North Plains OR
Sat Aug 12	Paavo Nurmi Marathon Half Marathon and Relay	Hurley WI
Sat Aug 12	Pure Water Day Races Half Marathon 4M & 1M	Chippewa Falls WI
Sat Aug 12	Race the Reserve Half Marathon 10k & 5k	Coupeville WA
Sat Aug 12	Redwood Trail Run (Summer) 50k Marathon 30k Half Marathon & 5M	Oakland CA
Sat Aug 12	Run the Rockies Trail Race Half Marathon & 10k	Frisco CO
Sat Aug 12	Skyline Mountain 50k Marathon & Half Marathon	Liberty UT
Sat Aug 12	Slate Valley Scramble Half Marathon & 8k	Poultney VT
Sat Aug 12	Summer Dash Half Marathon 15k 10k & 5k	Long Beach CA
Sat Aug 12	Suncadia Half & 5k	Cle Elum WA
Sat Aug 12	Tacoma Narrows Half Marathon & 5k	Tacoma WA
Sat Aug 12	Tromptown Fun Run 5k & Half Marathon	DeRuyter NY

Sunday, August 13


Sun Aug 13	Brooklynite Summer Half Marathon	Brooklyn NY
Sun Aug 13	Carderock Charge Half 10k & 5k	Potomac MD
Sun Aug 13	Geneva Half Marathon	Geneva NY
Sun Aug 13	Humboldt Bay Marathon Half Marathon 5k & 1M	Eureka CA
Sun Aug 13	Lake Merced Half Marathon & 4.5M	San Francisco CA
Sun Aug 13	Nocterra Quitter's Run 6H Marathon Half Marathon 10k & 5k	Powell OH
Sun Aug 13	SAR Wild Run Half Marathon 10k & 5k	Shaver Lake CA

Saturday, August 19


Sat Aug 19	Area 13.1 Half Marathon 10k & 5k	Roswell GA
Sat Aug 19	Bay to Beacon Half Marathon 10k & 5k	Lincoln MI
Sat Aug 19	Chupacabra Trail Race Half Marathon & 10k	Huntsville AL
Sat Aug 19	Dark Horse Trail Run Marathon Half Marathon & 10k	Travelers Rest SC
Sat Aug 19	Dynafit Half Marathon & 5k	Vail CO
Sat Aug 19	Hot Trot Half Marathon 10k & 5k	Dallas TX
Sat Aug 19	Medal Madness Pirate 5k 10k and Half Marathon at North Collier Regional	Naples FL
Sat Aug 19	Mora Half Marathon & 5k	Mora MN
Sat Aug 19	Mt Sneffels Marathon Half Marathon & 10K	Ouray CO
Sat Aug 19	News and Sentinel Races Half Marathon & 2M	Parkersburg WV
Sat Aug 19	Nitty Gritty Off Road Race Marathon Half Marathon & Relay	Red Lodge MT
Sat Aug 19	PC2PG Half Marathon 10k & 5k	Lindon UT
Sat Aug 19	Post Canyon 50k & Half Marathon	Hood River OR
Sat Aug 19	River Run Half Marathon 5k & 3k	Rockford IL
Sat Aug 19	Rock 'n' Roll Salt Lake City Half Marathon	Salt Lake City UT
Sat Aug 19	Run with the Horses Marathon Half Marathon & 10k	Green River WY
Sat Aug 19	Running Between the Vines Half Marathon 5M & 5k	Jackson MI
Sat Aug 19	Trail Run at Sly Park	Pollock Pines CA
Sat Aug 19	Underdown Trail Races 50k Marathon & Half Marathon	Merrill WI
Sat Aug 19	Wausau Marathon Half Marathon & Relay	Wausau WI
Sat Aug 19	Wells Harbor Half Marathon & 5k	Wells ME
Sat Aug 19	Wild Turkey 50k 25k Half Marathon & 8 Miler	Fairmont WV

Sunday, August 20


Sun Aug 20	America's Finest City Half Marathon & 5K	San Diego CA
Sun Aug 20	Anchorage RunFest 49k Marathon Half Marathon & 5k	Anchorage AK
Sun Aug 20	Erie Half Marathon	Erie CO
Sun Aug 20	Fall Creek Falls Half Marathon 10k & 5k	Spencer TN
Sun Aug 20	Fun in the Sun Half Marathon 15k 10k & 5k	Santa Monica CA
Sun Aug 20	Leading Ladies & Dakota Spirit Marathon Half Marathon & 10k	Spearfish SD
Sun Aug 20	Summer District 5k & Half	Washington DC
Sun Aug 20	Thacher Park Trail Running Festival Half Marathon	Voorheesville NY

Monday, August 21-Friday, August 25


Fri Aug 25	Cedar Breaks at Night Half Marathon	Brian Head UT

Saturday, August 26


Sat Aug 26	18.12 Challenge & Half Marathon	Sackets Harbor NY
Sat Aug 26	Almaden Hills Trail Run	San Jose CA
Sat Aug 26	Asheville Half Marathon & 10k	Asheville NC
Sat Aug 26	Ashland Half Marathon	Ashland VA
Sat Aug 26	End of Summer Half Marathon	Rockaway Beach NY
Sat Aug 26	Firebird Trail Races 50k & Half Marathon	Windham ME
Sat Aug 26	Healthy Human Race Half Marathon & 5k	Rochester MN
Sat Aug 26	Honor and Remember Run Half Marathon 10k & 5k	Velpen IN
Sat Aug 26	Louisville Trail Race Half Marathon 10k & 5k	Louisville CO
BlinkMacSystemFont	'Segoe UI'	Roboto	Oxygen-Sans	Ubuntu	Cantarell	'Helvetica Neue'	sans-serif;">Sat Aug 26	Medal Madness Pirate 5k 10k & Half Marathon at Lake Beresford Park	DeLand FL
BlinkMacSystemFont	'Segoe UI'	Roboto	Oxygen-Sans	Ubuntu	Cantarell	'Helvetica Neue'	sans-serif;">Sat Aug 26	Mindy Creek Trail Races Marathon Half Marathon & 10k	St. Croix Falls WI
BlinkMacSystemFont	'Segoe UI'	Roboto	Oxygen-Sans	Ubuntu	Cantarell	'Helvetica Neue'	sans-serif;">Sat Aug 26	Moonlight on the Falls 9H Marathon Half Marathon & 6M	Davis WV
Sat Aug 26	Nebraska State Fair Marathon Half Marathon 5k & 1M	Grand Island NE
Sat Aug 26	North Country Trail Run Marathon & Half Marathon	Manistee MI
Sat Aug 26	Not Your Grandma's Marathon Half Marathon & 10k	Provo UT
Sat Aug 26	NYCRUNS Brooklyn Ice Cream Social Half Marathon 10k & 5k	Brooklyn NY
Sat Aug 26	Path to Opioid Prevention Half Marathon & 5k	Riverdale UT
Sat Aug 26	Running the Rapids Half Marathon & 5k	Cohasset MN
Sat Aug 26	Runtastic Mt. Nebo Marathon Half Marathon 10k & 5k	Payson UT
Sat Aug 26	Seattle Marathon: Summer 5k 10k & Half Marathon	Seattle WA
Sat Aug 26	Staunton Rocks! Marathon & Half	Pine CO
Sat Aug 26	Swinging Bridge Half Marathon & 10k	Winchester TN
Sat Aug 26	Thirsty 13 Half Marathon	Durango CO
Sat Aug 26	Top of Utah Half Marathon	Milville UT
Sat Aug 26	Tour de La Porte Half Marathon & 5k	La Porte IN
Sat Aug 26	Winter Park Half Marathon & 5k	Winter Park CO

Sunday, August 27


Sun Aug 27	Black Diamond Express Trail Race Half Marathon & 5k	Mendon NY
Sun Aug 27	Blueberry Cove 13.1	Tenants Harbor ME
Sun Aug 27	Boston Bound Marathon Marathon & Half Marathon	Menomonee Falls WI
Sun Aug 27	Canine Classic at Paws Up Half Marathon 5M & 2M	Greenough MT
Sun Aug 27	Carrabassett Valley Half Marathon	Carrabassett Valley ME
Sun Aug 27	Hellbender Half Marathon & 5k	Bear Gap PA
Sun Aug 27	Iron Horse Half Marathon	North Bend WA
Sun Aug 27	Millennium Meadows Marathon Half Marathon & 10k	Grand Rapids MI
Sun Aug 27	North Country Trail Run Marathon & Half Marathon	Manistee MI
Sun Aug 27	Santa Rosa Marathon & Half Marathon	Santa Rosa CA
Sun Aug 27	Sioux Falls Marathon Half Marathon 10k & 5k	Sioux Falls SD
Sun Aug 27	Wee-Chi-Tah Trail Events Half Marathon & 10k	Wichita Falls TX
Sun Aug 27	Winchester Battlefield 5k 10k & Half	Winchester VA