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3,034 marathons found for Ultra marathon. Keep the list broad first, then tighten the filters when a race looks realistic.





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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
Germany
12DEC
ULTRA
6. Spiegelberger Räuberweglauf - 57km
Germany
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
Deland, Florida, United States
12DEC
ULTRA
Holiday 5K, 10K, & 13.1M at Deland, FL
Deland, Florida, United States
December 12, 2026 DEC
Goleta, California, United States
12DEC
ULTRA
Holiday Half Marathon, 10K, 5K, Kid's 1-Mile
Goleta, California, United States
December 12, 2026 DEC
Texas, United States
12DEC
ULTRA
Holiday Victory Lap
Texas, United States
December 12, 2026 DEC
Albion, Indiana, United States
12DEC
ULTRA
Ignite Trail Marathon
Albion, Indiana, United States
December 12, 2026 DEC
Florida, United States
12DEC
ULTRA
Jingle Bell Jog
Florida, United States
December 12, 2026 DEC
Kenner, Louisiana, United States
12DEC
ULTRA
Kenner's Ole Man River Half Marathon
Kenner, Louisiana, United States
December 12, 2026 DEC
Pittsburgh, Pennsylvania, United States
12DEC
ULTRA
Lost Souls - The Race That Finds You
Pittsburgh, Pennsylvania, United States
December 12, 2026 DEC
Thailand
12DEC
ULTRA
Mae Takhrai Trail - 107K
Thailand
December 12, 2026 DEC
Thailand
12DEC
ULTRA
Mae Takhrai Trail - 72K
Thailand
December 12, 2026 DEC
Thailand
12DEC
ULTRA
Mae Takhrai Trail - 84K
Thailand
December 12, 2026 DEC

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