Missouri Ultramarathons
29 upcoming ultras across Missouri, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: ultras in Missouri
Missouri has 29 upcoming ultras over the next 12 months. Among complete calendar months, April 2027 has the most listed races, with 7. Most are around Columbia, Steelville, Rogersville. The next one is Ozark Trail 100 Mile Endurance Run on October 31 in Steelville.
- Oct 20261 race
- Nov 20262 races
- Dec 20264 races
- Jan 20273 races
- Feb 20273 races
- Mar 20274 races
- Apr 20277 races
- Jun 20271 race
- Jul 20272 races
- Aug 20271 race
- Oct 20271 race
October 2026
- Sat 10/31Ozark Trail 100 Mile Endurance RunSteelville, MO · 100 Mile · Trail · register ↗
November 2026
- Sat 11/21Hit The Road, Jack!Carthage, MO · 5K · 10K · 25K · 50K · from $25 · register ↗
- Sat 11/21The Midwest Ultra Trail ClassicKnob Noster, MO · 10K · 20K · 30K · 40K · 50K · Trail · from $45 · register ↗
December 2026
- Sat 12/5Last Chance UltraRogersville, MO · 100 Mile · 100K · 50 Mile · 50K · 10 Mile · from $65 · registration closed · register ↗
- Sat 12/5Remember the Removal Walk, Ride, and BikeSteelville, MO · 5 Miles · 30 Miles · Half Marathon · from $20 · register ↗
- Sat 12/19OMRR's Run for the RanchSpringfield, MO · 6 Hour · Marathon · Half Marathon · 5K · 1 Mile · from $5 · register ↗
- Sat 12/19River Bluff Trail RunsSt. Joseph, MO · 50K · 25K · 10K · Trail · register ↗
January 2027
- Fri 1/1The Next Loop Endurance Weekend | 01/01/27St. Louis, MO · 100K · 50K · 48 Hour · register ↗
- Sat 1/16The Shippey Endurance RunsHigh Ridge, MO · 50K · 100 Mile · 100K · 40 Miles · register ↗
- Sat 1/23Bleak Midwinter Endurance RunSpringfield, MO · 12 Hour · 6 Hour · 3 Hour · 1 Hour · register ↗
February 2027
- Sat 2/6963 Beulah ChallengeWildwood, MO · 9 Hour · 6 Hour · 3 Hour · register ↗
- Sat 2/13Iron Heart UltraST JAMES, MO · 100K · 50K · 20K · 10K · 5K · register ↗
- Sat 2/20Flat Branch UltraColumbia, MO · 50K · 25K · register ↗
March 2027
- Fri 3/5Queeny Backyard UltraSt. Louis, MO · Timed · register ↗
- Fri 3/12Howard Aslinger Endurance RunCape Girardeau, MO · 24 Hour · 12 Hour · 1 Hour · register ↗
- Sat 3/13Do Hard Things Shamruck & Run Backyard UltraColumbia, MO · Ultra · from $75 · register ↗
- Sat 3/13Three Creeks Torrent Trail RunsColumbia, MO · 50K · 20 Miles · 10 Mile · Trail · from $54 · register ↗
April 2027
- Sat 4/3Chubb Trail RacesSt Louis, MO · 50K · 25K · Trail · register ↗
- Fri 4/9Ozark Foothills Endurance RunsWildwood, MO · 50K · register ↗
- Sat 4/10Heartland 39.3 SeriesKansas City, MO · 39.3 Miles · from $224 · register ↗
- Sat 4/10Mythic Race 2027Sikeston, MO · 5 Hour · 5K · 1.5 Miles · from $30 · register ↗
- Fri 4/16The 24 Hour Lions RoarColumbia, MO · 24 Hour · 1 Hour · register ↗
- Sun 4/18SHOW ME MO GRAVEL SERIESSt Genevieve, MO · 45 Miles · from $133 · registration closed · register ↗
- Sat 4/24Frisco Railroad RunWillard, MO · 50 Mile · 50K · Marathon · Half Marathon · 8K · register ↗
June 2027
- Sat 6/5Freedom Backyard Ultra Marathon (FBUM 2027)Bourbon, MO · Timed · register ↗
July 2027
- Sat 7/10Hades Climb - Springfield, MOOzark, MO · 1 Hour · 2 Hour · 4 Hour · from $35 · register ↗
- Sat 7/31Midsommar | Sun Loop UltraRogersville, MO · 5 Miles · 15 Miles · 50K · 50 Mile · 100 Mile · from $40 · register ↗
August 2027
- Sat 8/28Leaky Hourglass UltraHalf Way, MO · Timed · register ↗
October 2027
- Sat 10/9Lion King Backyard UltraRolla, MO · Timed · register ↗
Planning a race
- The adventure listrim to rim, the big rounds, and routes worth planning a year around
- Getting inhow entry works for the races that sell out or ballot
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