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1,670 marathons found for Ultra marathon, United States. Keep the list broad first, then tighten the filters when a race looks realistic.





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Virginia, United States
10OCT
ULTRA
Semi-Marathon de Salem LewisGale
Virginia, United States
October 10, 2026 OCT
Wisconsin, United States
10OCT
ULTRA
Spooky Sprint Milwaukee
Wisconsin, United States
October 10, 2026 OCT
Texas, United States
10OCT
ULTRA
Spooky Sprint- Fort Worth
Texas, United States
October 10, 2026 OCT
Pine, Colorado, United States
10OCT
ULTRA
Suffer Better 10th Annual Fall Trail Runs
Pine, Colorado, United States
October 10, 2026 OCT
Indianapolis, Indiana, United States
10OCT
ULTRA
The Big BO 50k
Indianapolis, Indiana, United States
October 10, 2026 OCT
Kings Mountain, North Carolina, United States
10OCT
ULTRA
The Last Wolf
Kings Mountain, North Carolina, United States
October 10, 2026 OCT
West Olive, Michigan, United States
10OCT
ULTRA
The Ultra Bird 12hr and 6hr Trail Races
West Olive, Michigan, United States
October 10, 2026 OCT
Somerville, Texas, United States
10OCT
ULTRA
Trailway Trail Race
Somerville, Texas, United States
October 10, 2026 OCT
Georgia, United States
10OCT
ULTRA
Under the Oaks Run
Georgia, United States
October 10, 2026 OCT
Knoxville, Tennessee, United States
10OCT
ULTRA
Urban Wilderness 50k
Knoxville, Tennessee, United States
October 10, 2026 OCT
Anchorage, Alaska, United States
10OCT
ULTRA
Zombie Half Marathon
Anchorage, Alaska, United States
October 10, 2026 OCT
United States
11OCT
ULTRA
13th Rick O'Donnell 8-hour Ultra Challenge - 8h
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
14th Bizz Johnson 50 km Trail Run - 50km
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
20th Free State Trail 40 Miles Run - 40mi
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
2nd Wolverine State - 50km
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
40th Glacial Trail 50 km Race - 50km
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
5th Hula Loop 6-Hour Sunday Series - Race 3 - 6h
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
5th Rocky Gap 50k - 50km
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
7th Hainesport Hundred 12 Hour Endurance Run Summer - 12h
United States
October 11, 2026 OCT
United States
11OCT
ULTRA
8th Midstate Massive 30 Mile Ultra Trail - 50km
United States
October 11, 2026 OCT
Leander, Texas, United States
11OCT
ULTRA
Autumn Harvest Marathon and Half
Leander, Texas, United States
October 11, 2026 OCT
Marble Falls, Texas, United States
11OCT
ULTRA
Autumn Harvest Marathon, Half-Marathon, 10K, 5K and 12HR Endurance Run
Marble Falls, Texas, United States
October 11, 2026 OCT
Corpus Christi, Texas, United States
11OCT
ULTRA
Day of the Dead Half Marathon - Corpus Christi
Corpus Christi, Texas, United States
October 11, 2026 OCT
Waco, Texas, United States
11OCT
ULTRA
Day of the Dead Half Marathon - Waco
Waco, Texas, United States
October 11, 2026 OCT

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