Missouri Ultramarathons
24 upcoming ultras across Missouri, updated nightly. Want radius search and maps? Open these in the Race Finder.
August 2026
- Fri 8/7Kansas City Backyard UltraKansas City, MO 路 Ultra
- Sat 8/15Bad Dawg 100/50/100k/50k/25kWaynesville, MO 路 Ultra 路 50 Mile 路 50K 路 Other
- Sat 8/22The Next Loop Endurance Series | Cliff Cave ParkSt Louis, MO 路 50K 路 Ultra
- Sat 8/29Leaky Hourglass UltraHalf Way, MO 路 Ultra
September 2026
- Thu 9/17Pedal the CauseSaint Charles, MO 路 Other 路 50K 路 Ultra 路 50 Mile 路 100 Mile
October 2026
- Sat 10/3Ride the RiversSt. Louis, MO 路 Ultra 路 100 Mile
- Sat 10/3Thunder Mountain ChallengeCamdenton, MO 路 Ultra
- Sat 10/10Find Your Strength Endurance RaceMoberly, MO 路 Ultra
- Sat 10/10Lion King Backyard UltraRolla, MO 路 Ultra
- Sat 10/17Minnie Ha Ha 6 & 12 hour racesSt. Louis, MO 路 Ultra
- Sat 10/17Bigfoot Forrest Trail 10 Hour Fun RunCAPE GIRARDEAU, MO 路 Ultra 路 5K
November 2026
- Sun 11/1TOUR de HOPE GravelPleasant Hill, MO 路 Ultra 路 50K 路 Other
- Sat 11/7The EQUALIZER 50K and 100K Gravel RaceMarthasville, MO 路 50K 路 Ultra
- Sat 11/14Ozark Diamond GauntletMacks Creek, MO 路 5K 路 Ultra
December 2026
- Sat 12/5Last Chance UltraRogersville, MO 路 100 Mile 路 Ultra 路 50 Mile 路 50K 路 Other
- Sat 12/19OMRR's Run for the RanchSpringfield, MO 路 Ultra 路 Marathon 路 Half Marathon 路 5K 路 1 Mile
January 2027
- Sat 1/16The Shippey Endurance RunsHigh Ridge, MO 路 100 Mile 路 Ultra 路 50K
- Sat 1/23Bleak Midwinter Endurance RunSpringfield, MO 路 Ultra
February 2027
- Sat 2/6963 Beulah ChallengeWildwood, MO 路 Ultra
- Sat 2/13Iron Heart UltraST JAMES, MO 路 Other 路 Ultra 路 50K 路 Half Marathon 路 10K 路 5K
March 2027
- Fri 3/5Queeny Backyard UltraSt. Louis, MO 路 Ultra
April 2027
- Sat 4/10Mythic Race 2027Sikeston, MO 路 5K 路 Ultra 路 1 Mile
- Fri 4/16The 24 Hour Lions RoarColumbia, MO 路 Ultra
June 2027
- Sat 6/5Freedom Backyard Ultra Marathon (FBUM 2027)Bourbon, MO 路 Ultra
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