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Across the US

Ultramarathons near you

620 upcoming ultramarathons across 49 states. Pick your state for the full calendar with cities, dates, and entry fees.

620
upcoming ultramarathons
49
states

Other distances

Ultramarathons by state

Ultramarathon results across the US

From 378 ultramarathons with official results in the last two years, 36,122 finishers in all.

DistanceRacesTypical finishWomenMenTypical fee
50K1856:52:257:06:216:42:34$99
50 Mile4710:52:2111:09:0710:36:42$130
100K2316:35:3317:06:4016:08:07$175
100 Mile2627:41:3728:22:3826:57:39$225

Typical times are the middle finisher across these races, weighted by field size. School meets, stair climbs, and results with timing errors are left out.

Fastest 50Ks across the US

  1. 1Mel Williams Memorial Seashore 50KVirginia Beach, Virginia · median 5:51:34 · 173 finishers in 2025
  2. 2Dead Horse UltraMoab, Utah · median 6:23:58 · 573 finishers in 2025
  3. 3Cabin Fever 50KFayetteville, West Virginia · median 6:29:59 · 280 finishers in 2026
  4. 4Lake Hodges Trail FestivalSan Diego, California · median 6:34:22 · 159 finishers in 2025
  5. 5FOURmidableAuburn, California · median 6:35:17 · 150 finishers in 2026

Biggest ultramarathons across the US

  1. 143rd El Tour de TucsonTucson, Arizona · 2,484 finishers in 2025
  2. 264th Annual JFK 50 Mile presented by AltraBoonsboro, Maryland · 1,214 finishers in 2025
  3. 3The Rut Mountain RunsBig Sky, Montana · 727 finishers in 2026
  4. 4Dead Horse UltraMoab, Utah · 573 finishers in 2025
  5. 52026 Gorge WaterfallsCascade Locks, Oregon · 462 finishers in 2026
When ultramarathons happen across the US

Soonest ultramarathons anywhere

October 2026

IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Trail Buddy Flex Relay (2 Mountain Athletes) - 72,590 feet of elevation gain, possibly more than any endurance event of its kind. - 100 Mile + Elevation Endurance Ultra Trail Marathon - 152 + Miles - 84 Hour - We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard Ultra

Cornwall, ConnecticutTrail

Ultra