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1,669 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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Tennessee, United States
06DEC
ULTRA
Run Santa Run Smokies
Tennessee, United States
December 6, 2026 DEC
Bethel, Ohio, United States
06DEC
ULTRA
Topo Trail Marathon Races
Bethel, Ohio, United States
December 6, 2026 DEC
United States
11DEC
ULTRA
9th Last One Standing Ultra Marathon - 26h
United States
December 11, 2026 DEC
South Carolina, United States
11DEC
ULTRA
Kiawah Island Marathon
South Carolina, United States
December 11, 2026 DEC
United States
12DEC
ULTRA
10th Beast of the East (Monadnock Ultra) 50 Mile - 50mi
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
12th Daytona 100 - 50 Km Ultra - 50km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
13th Bell Ringer 50k Trail Run - 50km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
28th Magnus Gluteus Maximus 50 km - 50km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
2nd Cape Fear Hoilday Run - 6h
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
2nd MCW The Holmdel Classic - 50km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
2nd Naughty Hog - 100km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
2nd Naughty Hog - 50km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
2nd Texmas Trail Race - 104km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
2nd Texmas Trail Race - 57km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
2nd The Frosty Buck Trail Race - 50km
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
3rd RunFluent Christmas - 7h
United States
December 12, 2026 DEC
United States
12DEC
ULTRA
6th Spirit of Syllamo 38 Mile - 38mi
United States
December 12, 2026 DEC
New York, United States
12DEC
ULTRA
Big Apple Half Marathon
New York, United States
December 12, 2026 DEC
Louisiana, United States
12DEC
ULTRA
Cajun Country Run
Louisiana, United States
December 12, 2026 DEC
Jacksonville Beach, Florida, United States
12DEC
ULTRA
Daytona 100 Ultra
Jacksonville Beach, Florida, United States
December 12, 2026 DEC
Washington, United States
12DEC
ULTRA
Deception Pass Trail Races
Washington, United States
December 12, 2026 DEC
Pensacola, Florida, United States
12DEC
ULTRA
Emerald Coast Ultra
Pensacola, Florida, United States
December 12, 2026 DEC
Eugene, Oregon, United States
12DEC
ULTRA
Frozen Trail Runfest - 2026
Eugene, Oregon, United States
December 12, 2026 DEC
New York, United States
12DEC
ULTRA
Go Nuts For Donuts
New York, United States
December 12, 2026 DEC

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