Half marathons in United States — September 2026
79 upcoming half marathons in United States during September 2026.
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This calendar in numbers
This calendar currently lists 79 upcoming events, from Sep 4, 2026 to Sep 27, 2026. September is the busiest month, with 79 events scheduled. Events are spread across 74 different locations; Nederland hosts the most (2). Course distances range from 11 km to 21.1 km.
Browse all 79 events by date
September 2026
- Bear Country Night Trek Sep 4
- Jump off Joe Marathon, Halfer, 10k Sep 5
- Leave No Trace Trail Half Marathon Sep 5
- Naperville Trails Half Marathon Sep 5
- AIDSPIRIT USA Marathon Sep 6
- Bear Trail Half Marathon & 10K Sep 6
- Minocqua No Frills Marathon Sep 6
- Mt. Baldy Run-to-the-Top Sep 7
- Scheels BurliMOT Half Marathon, Relay, 5K, and 1 Mile Walk/Run/Roll Sep 11
- Autumn 'n Ales Sep 12
- Beat The Blerch Sep 12
- Black Squirrel Half Sep 12
- Black Squirrel Half Marathon Sep 12
- Blackwater Canyon Half Marathon Sep 12
- Cane Creek Mtn Trail Run Sep 12
- Carpe Diem - Carpe Noctem Half Marathon and 10K - North Carolina Sep 12
- Charlie's Challenge Sep 12
- Cutthroat Classic Sep 12
- Elm Creek Half Marathon & 10K Sep 12
- Jones Gap Half Marathon Sep 12
- Jones Gap Trail Half Marathon Sep 12
- Lock 2 Lock Marathon/Half Marathon/10k Sep 12
- Lone Star Night Run Sep 12
- MeadowGold 11K & 5K Sep 12
- Mellow Trail Race Sep 12
- Mendocino Running Festival Sep 12
- Mini Donut Half Marathon Sep 12
- Mount Rushmore Half Marathon 2026 Sep 12
- Mt. Baldhead Challenge Sep 12
- Ned Ned Half Marathon Sep 12
- Ned Ned Trail Fest Sep 12
- Night Moves Trail Races Sep 12
- Saucony Charlotte Covered Bridge 5K/10K & Half Marathon Sep 12
- The Cascade Express Marathon & Half Marathon Sep 12
- Trail Sisters Women's Trail Half Marathon Sep 12
- Trail Sisters Women’s Trail Half Marathon Sep 12
- Wabash Trace Running Festival Sep 12
- Boring Marathon Sep 13
- Elk River Rail Trail Marathon Sep 13
- Lake Summit 10 Mile Sep 13
- Sorta Mountain Stage Race Sep 13
- WICKED FAST MARATHON & HALF MARATHON POCONOS Sep 13
- Moab Trailfest Sep 17
- Lake Fork Flyathlon Sep 18
- All-Out Fallfest Sep 19
- Autumn Run Sep 19
- Buffalo Bill Cody Half Marathon, 10K, & 5K Sep 19
- Capital City River Run Sep 19
- Corner Canyon Half Marathon, 5K, 10K Sep 19
- Devil After Dark Sep 19
- Draper City Corner Canyon Half Marathon Sep 19
- John Colter Run Sep 19
- Loppet Field Day and Trail Loppet Sep 19
- Morgan Hill Trail Races Sep 19
- Rock Dallas Trail Run Sep 19
- Rocky Ridge Half Marathon/10K/5K Sep 19
- Adrenaline Races Sep 20
- Oyster Races Sep 20
- Buckeye Trail Blue Blaze Festival Sep 25
- Finger Lakes Festival of Races Sep 25
- Moonlight Half Marathon Sep 25
- Big Woods Run Sep 26
- Birkie Trail Run Sep 26
- Cirque Series – Jay Peak Sep 26
- Cossatot River Trail Run Sep 26
- Deep Creek Trail Half Marathon Sep 26
- Fidalgo Trail Half Sep 26
- Fidalgo Trail Run Sep 26
- Hiawatha Fall Trail Run Sep 26
- John Wayne Grit Series – Moab, Utah Sep 26
- Park2Park Half-Marathon & 5K Race Sep 26
- Pave the Way Run Sep 26
- Ridge Rambler Half Marathon Sep 26
- River’s Edge Trail Half Marathon Sep 26
- Run for the Hills Sep 26
- Run Iron Mountain Sep 26
- Red Feather Trail Jamboree – Half Marathon Sep 27
- The Auburn Half Marathon Sep 27
- The Auburn Half Marathon, 12k/5k Sep 27