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 Aspen Backcountry Marathon & Half Marathon Aspen CO
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 Haven Half & 5k Rapid City SD
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 Medal Madness Pirate Half Marathon 10k & 5k at Eagle Lakes Community Park Naples FL
Sat Aug 5 Medal Madness Pirate 5k 10k and Half Marathon at James Wilson Park Temple TX
Sat Aug 5 Monsters of the Deep Half Marathon 15k 10k & 5k Santa Monica CA
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 Race the Ridge Trail Run Half Marathon 10k & 5k River Falls WI
Sat Aug 5 Real Freedom Races Half Marathon 10k & 5k Necedah WI
Sat Aug 5 Rodeo Valley Trail Run 50k 30k Half Marathon & 10k Sausalito CA
Sat Aug 5 Run Mahomet Half Marathon 10k & 5k Mahomet IL
Sat Aug 5 Run Michigan Cheap – Midland Half Marathon 10k & 5k Midland MI
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 Summer Blast at Redmond Watershed Marathon Half Marathon 10M & 5M Redmond WA
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 Campus to Campus Half and Quarter Marathon Waco TX
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 JBPH Hickman Half Marathon Honolulu HI
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 Medal Madness Pirate Half Marathon 10k & 5k at Gemini Springs Park DeBary FL
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 Philly Mayor's Cup Half Marathon 10M 10k 5M & 5k Philadelphia PA
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 Howl at the Moon Half Marathon 15k 10k & 5k Long Beach CA
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 Alzheimer's 5k & Half Marathon Dubuque IA
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 Hometown Half Marathon 10k & 5k Colorado Springs CO
Sat Aug 19 Hot Trot Half Marathon 10k & 5k Dallas TX
Sat Aug 19 John Bryan Trail Race Half Marathon 10k & 5k Yellow Springs OH
Sat Aug 19 Medal Madness Pirate 5k 10k and Half Marathon at Crossroads Recreational Temple 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 Swing for the Finish – National Orangutan Day Run Half Marathon 15k 10k & 5k Long Beach 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 Drake Well Marathon & Half Marathon Titusville PA
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 Hometown Half Marathon 10k & 5k – Denver Westminster CO
Sun Aug 20 Hotter than Hades Hustle Half Marathon 15k 10k & 5k Fountain Valley CA
Sun Aug 20 Jersey City Summer Half 10k & 5k Jersey City NJ
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 Alum Creek Trail Half Marathon 10k & 5k Delaware OH
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 Santa Cruz Trail Run 30k Half Marathon & 10k Felton CA
Sat Aug 26 Seattle Marathon: Summer 5k 10k & Half Marathon Seattle WA
Sat Aug 26 Staunton Rocks! Marathon & Half Pine CO
Sat Aug 26 Summer's Done 13.1M 9.8M 6.6M & 3.3M Cary NC
Sat Aug 26 Swinging Bridge Half Marathon & 10k Winchester TN
Sat Aug 26 Taste of Portage Half Marathon & 5k Portage WI
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 Trail Run at Sly Park Pollock Pines CA
Sat Aug 26 Winter Park Half Marathon & 5k Winter Park CO

Sunday, August 27
Sun Aug 27 Alum Creek Trail Half Marathon 10k & 5k Delaware OH
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 Canine Classic at Paws Up Half Marathon 5M & 2M Greenough MT
Sun Aug 27 Carrabassett Valley Half Marathon Carrabassett Valley ME
Sun Aug 27 Chasing the Unicorn Marathon & Alternative Half Marathon Washington Crossing PA
Sun Aug 27 Hellbender Half Marathon & 5k Bear Gap PA
Sun Aug 27 I'm Bound for Boston Marathon & Half Marathon Menomonee Falls WI
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

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