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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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Troutman, North Carolina, United States
05DEC
ULTRA
Lake Norman State Park 30K & 50K Trail Race
Troutman, North Carolina, United States
December 5, 2026 DEC
Maine, United States
05DEC
ULTRA
Millinocket Marathon and Half
Maine, United States
December 5, 2026 DEC
Liberty Hill, Texas, United States
05DEC
ULTRA
Mosaic Trail Race
Liberty Hill, Texas, United States
December 5, 2026 DEC
Florence, South Carolina, United States
05DEC
ULTRA
Naturally Outdoors Endurance Race: 2Hr + 4Hr Run & Ruck
Florence, South Carolina, United States
December 5, 2026 DEC
Florida, United States
05DEC
ULTRA
OUC Orlando Half Marathon & Track Shack Lake Eola 5k
Florida, United States
December 5, 2026 DEC
North Carolina, United States
05DEC
ULTRA
Race 13.1 Durham
North Carolina, United States
December 5, 2026 DEC
North Carolina, United States
05DEC
ULTRA
Raleigh Half Marathon
North Carolina, United States
December 5, 2026 DEC
Malibu, California, United States
05DEC
ULTRA
Ray Miller 50/50
Malibu, California, United States
December 5, 2026 DEC
Delaware, United States
05DEC
ULTRA
Rehoboth Beach Running Co. Seashore
Delaware, United States
December 5, 2026 DEC
North Carolina, United States
05DEC
ULTRA
Run Historic Wilmington
North Carolina, United States
December 5, 2026 DEC
Friant, California, United States
05DEC
ULTRA
San Joaquin River Trail 10k/25k/50k
Friant, California, United States
December 5, 2026 DEC
Pine, Colorado, United States
05DEC
ULTRA
Sawmill Trail Runs
Pine, Colorado, United States
December 5, 2026 DEC
Dodgeville, Wisconsin, United States
05DEC
ULTRA
The Guv'nor Frozen 50
Dodgeville, Wisconsin, United States
December 5, 2026 DEC
New York, United States
05DEC
ULTRA
The Manhattanite
New York, United States
December 5, 2026 DEC
North Carolina, United States
05DEC
ULTRA
Viking Dash à Raleigh
North Carolina, United States
December 5, 2026 DEC
United States
06DEC
ULTRA
37th Pine Mountain 40 Miles - 40mi
United States
December 6, 2026 DEC
United States
06DEC
ULTRA
7th Tidewater Striders Dismal Swamp 50 km Race - 50km
United States
December 6, 2026 DEC
Utah, United States
06DEC
ULTRA
Baker's Dozen Half Marathon
Utah, United States
December 6, 2026 DEC
Knoxville, Tennessee, United States
06DEC
ULTRA
Dirty South Trail Races
Knoxville, Tennessee, United States
December 6, 2026 DEC
Texas, United States
06DEC
ULTRA
Keep Going 5K/10K/13.1 Run HOUSTON
Texas, United States
December 6, 2026 DEC
Pennsylvania, United States
06DEC
ULTRA
Nittany Valley Half Marathon
Pennsylvania, United States
December 6, 2026 DEC
Brooklyn, New York, United States
06DEC
ULTRA
PPTC Endurance Fest
Brooklyn, New York, United States
December 6, 2026 DEC
New York, United States
06DEC
ULTRA
Queens Winter Marathon
New York, United States
December 6, 2026 DEC
Florida, United States
06DEC
ULTRA
Rotary Run for Tomorrow
Florida, United States
December 6, 2026 DEC

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