Half marathons in United States — September 2026
160 upcoming half marathons in United States during September 2026.
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This calendar in numbers
This calendar currently lists 160 upcoming events, from Sep 5, 2026 to Sep 19, 2026. September is the busiest month, with 160 events scheduled. Events are spread across 132 different locations; New York hosts the most (5). Course distances range from 11.3 km to 21.1 km.
Browse all 160 events by date
September 2026
- Abebe Bikila Day International Peace Marathon Sep 5
- Cadillac Festival of Races Sep 5
- Golden Harvest Half Marathon, 5k & 10k - Cleveland Sep 5
- Golden Harvest Half Marathon, 5k & 10k - Denver Sep 5
- Golden Harvest Half Marathon, 5k & 10k - Louisville Sep 5
- Golden Harvest Half Marathon, 5k & 10k - St. Paul Sep 5
- Green Lake Area 13dot1 Races Sep 5
- Labor Day Triple Sep 5
- Marquette Marathon Sep 5
- Pocatello Marathon Sep 5
- Salmon Marathon and Half Marathon Sep 5
- Six-O Trail Run Sep 5
- Triboro Adventure Tour Sep 5
- Barefoot Half Marathon Sep 6
- City of Lakes Half Marathon Sep 6
- Clinton Half Marathon Sep 6
- Diablo Trail Run Sep 6
- Frozen Head Ultra Marathon Sep 6
- Golden Harvest Half Marathon, 5k & 10k - Colorado Springs Sep 6
- Golden Harvest Half Marathon, 5k & 10k - Indianapolis Sep 6
- Golden Harvest Half Marathon, 5k & 10k - Rochester Sep 6
- Golden Harvest Half Marathon, 5k & 10k - Toledo Sep 6
- I'm Bound for Boston Marathon & Half Marathon - Atlanta Sep 6
- Kauai Marathon Sep 6
- Oak Tree Half Marathon & 5K Run/Walk Sep 6
- Run Branch County 5k & Half Marathon Sep 6
- Sackets Harbor Marathon Sep 6
- Surfers Point Marathon Sep 6
- Swanzey Covered Bridges Half-Marathon, Elijah's Race Sep 6
- The Racefaster Half Marathon Sep 6
- The Whiskey Run - Atlanta Sep 6
- Tim Kerr 7 Mile Island Run and TK5K Run/Walk Sep 6
- Faxon Law New Haven Road Race Sep 7
- Labor Day Half Marathon, 10K and 5K Sep 7
- Redmond Harvest Half Marathon Sep 7
- USA 20km Road running Championships Sep 7
- USATF 20km Road Running Championships Sep 7
- Bird-in-Hand Half Marathon, 5K, and Kid's Fun Run Sep 11
- Run Woodstock Sep 11
- 2026 Gulf Beach Half Marathon Sep 12
- Amish Country Half Marathon Sep 12
- Battle of Salado Creek Sep 12
- Beer City Half Bishop Ranch Sep 12
- Beer City Half Long Beach Sep 12
- Berkeley Trail Adventure Sep 12
- Black Squirrel Half Marathon Sep 12
- Blackwater Canyon Half Marathon Sep 12
- Cedar City Half Marathon Sep 12
- Dick Beardsley Races Sep 12
- DoLittle Marathon Sep 12
- Fair on the Square Half Marathon, 5K & 1 Mile Fun Walk Sep 12
- Geist Half Marathon Sep 12
- GOAT Run Sep 12
- Golden Harvest Half Marathon, 5k & 10k - Cincinnati Sep 12
- Golden Harvest Half Marathon, 5k & 10k - Little Rock Sep 12
- Golden Harvest Half Marathon, 5k & 10k - Oklahoma City Sep 12
- Golden Harvest Half Marathon, 5k & 10k - Springfield Sep 12
- Gulf Beach Half Marathon Sep 12
- Heroes and Villains - Dallas Sep 12
- Heroes and Villains - San Antonio Sep 12
- Maple Leaf Half-Marathon and Kotler 5K Sep 12
- Medal Madness 5K, 10K, & 13.1M - Largo, FL Sep 12
- Mount Rushmore Half Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Atlanta Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Austin/Roundrock Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Chicago/Evanston Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Dallas/Fort Worth Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Denver/Aurora Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Houston Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Kansas City Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Las Vegas Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Los Angeles Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Memphis Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Miami Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - New Jersey Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - NYC Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Phoenix Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Sacramento Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - San Antonio Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - San Diego Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - San Francisco Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Seattle Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Tampa Sep 12
- Odyssey Trail Running Rampage Sep 12
- Patriots Run Sep 12
- Planet NY Half Marathon Sep 12
- Race for Victory Sep 12
- Race to the Center Half Marathon Sep 12
- REVEL Big Cottonwood Sep 12
- Run to the Rock 5K, 10K & 1/2 Marathon Sep 12
- Shenandoah Half Marathon Sep 12
- Snow Mountain Ranch Trail Running Festival Sep 12
- Snow Mtn Ranch Trail Festival Sep 12
- Swifty Fun Run Sep 12
- The Hidden Gem Half Marathon 2026 Sep 12
- The Lake Cumberland Half & 10K Sep 12
- Too Hot To Handle 5K, 10K & Half Sep 12
- Wicked Fast Marathon & Half Marathon - Poconos Sep 12
- Boston or Bust Sep 13
- Bozeman Half Marathon Sep 13
- Cherry City Half Marathon, 10K & 5K Sep 13
- Chips & Salsa Half Marathon Sep 13
- City of Lakes Half Marathon Sep 13
- Delta Harvest Run Sep 13
- Golden Harvest Half Marathon, 5k & 10k - Columbus Sep 13
- Golden Harvest Half Marathon, 5k & 10k - Fayetteville Sep 13
- Golden Harvest Half Marathon, 5k & 10k - Tulsa Sep 13
- Great Miami Riverway Half Sep 13
- Heroes and Villains - Austin Sep 13
- Heroes and Villains - Houston Sep 13
- Holland Haven Marathon Sep 13
- Hub City Half and 5K Sep 13
- Lap the Lake Sep 13
- Lap The Lake Race Series Sep 13
- Nun Run Sep 13
- River Run Half Marathon Sep 13
- Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs Sep 13
- Skagit Flats Marathon, Half Marathon and 5K Sep 13
- Surftown Half Marathon, Relay & 5K Sep 13
- YMCA Harrisburg Half & 10K Sep 13
- Fox Cities Marathon Sep 18
- Ruidoso Runfest Sep 18
- Runningman Festival Sep 18
- United States Air Force Marathon Sep 18
- 14K/7K Brewery Run Sep 19
- 2026 Beaverton Half Marathon, 5/10K Presented by NIKE Sep 19
- 2026 Marine Corps Half Marathon presented by FirstLight Home Care & USAA Sep 19
- Beaverton Half Marathon & 5k/10k Sep 19
- Beulah Challenge Sep 19
- Bismarck Marathon Sep 19
- Bryce Canyon Ultras Sep 19
- Crimson Canyons Ultra Sep 19
- Divas Chicago Half Marathon and 5k Sep 19
- Dutchess County Classic Sep 19
- Golden Harvest Half Marathon, 5k & 10k - Atlanta Sep 19
- Golden Harvest Half Marathon, 5k & 10k - Austin Sep 19
- Golden Harvest Half Marathon, 5k & 10k - Fort Worth Sep 19
- Golden Harvest Half Marathon, 5k & 10k - Milwaukee Sep 19
- Golden Harvest Half Marathon, 5k & 10k - Nashville Sep 19
- Golden Harvest Half Marathon, 5k & 10k - Omaha Sep 19
- Hudepohl 14K/7K Brewery Run Sep 19
- Jordan River Half Marathon Sep 19
- Log Run Half Marathon Sep 19
- Mainly Marathons Northwest Series - Day 1 Sep 19
- New Balance Bronx 10 Mile Sep 19
- New Balance Bronx 10 Mile 2026 Sep 19
- Noche Trail Runs Sep 19
- Orca Half Sep 19
- Pacific Northwest Marathon Sep 19
- Paris Texas Marathon Sep 19
- Planet NY Half Sep 19
- Race to Raise Sep 19
- Run The Dam Sep 19
- Running From Squatch - Springfield, MO Sep 19
- St. Jude Run Walk 5K, 10K and Half Marathon Sep 19
- Susquehanna River Running Festival Sep 19
- The Brooks Orca Half Marathon presented by REI Sep 19
- Three Sisters Skyline Sep 19
- Top of Utah Marathon Sep 19
- USA Women's Half Marathon - Dallas Sep 19