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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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Greenville, South Carolina, United States
19DEC
ULTRA
The Longest Night (50mi - 50k - 26.2 - 13.1 - 10k)
Greenville, South Carolina, United States
December 19, 2026 DEC
Germany
20DEC
ULTRA
3. Erlangen Ultramarathon - 50km
Germany
December 20, 2026 DEC
Germany
20DEC
ULTRA
3. Wald(Ultra)Marathon Calw - 46km
Germany
December 20, 2026 DEC
United States
20DEC
ULTRA
3rd Texas Double Sun Run - 50km
United States
December 20, 2026 DEC
Mount Pleasant, South Carolina, United States
20DEC
ULTRA
Charleston Itty Bitty 50
Mount Pleasant, South Carolina, United States
December 20, 2026 DEC
Hawaii, United States
20DEC
ULTRA
Hawaii Bird Conservation Marathon
Hawaii, United States
December 20, 2026 DEC
Russia
20DEC
ULTRA
Mad Fox Ultra Pure Intention - 75K
Russia
December 20, 2026 DEC
Huntington Beach, California, United States
20DEC
ULTRA
Santa’s Reindeer Run - 5K, 10K, and Half Marathon
Huntington Beach, California, United States
December 20, 2026 DEC
Brooklyn, New York, United States
20DEC
ULTRA
The Holiday Half Marathon!
Brooklyn, New York, United States
December 20, 2026 DEC
China
22DEC
ULTRA
UTSZ Trail Races
China
December 22, 2026 DEC
Germany
24DEC
ULTRA
2. Weihnachtsultra - 45km
Germany
December 24, 2026 DEC
Long Beach, California, United States
25DEC
ULTRA
Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow Runs
Long Beach, California, United States
December 25, 2026 DEC
United States
26DEC
ULTRA
14th Boyer's Furnace 40 Mile Race - 40mi
United States
December 26, 2026 DEC
Brazil
26DEC
ULTRA
2ª SP Endurance Challenge Réveillon 2026 - 60km
Brazil
December 26, 2026 DEC
United States
26DEC
ULTRA
2nd Loop Out the Year - 6h
United States
December 26, 2026 DEC
Turkey
26DEC
ULTRA
Antalya Ultra Marathon
Turkey
December 26, 2026 DEC
Jupiter, Florida, United States
26DEC
ULTRA
Jupiter Ridge Sand Spur
Jupiter, Florida, United States
December 26, 2026 DEC
United States
27DEC
ULTRA
2nd Holiday Five Day 1 - 50km
United States
December 27, 2026 DEC
China
27DEC
ULTRA
4th Zhiyin Jiuzhen Ultra Trail - 50km
China
December 27, 2026 DEC
Flushing, New York, United States
27DEC
ULTRA
Queens NYC Chiller Half • 10K • 5K
Flushing, New York, United States
December 27, 2026 DEC
United States
28DEC
ULTRA
2nd Holiday Five Day 2 - 50km
United States
December 28, 2026 DEC
United States
28DEC
ULTRA
42nd Across the Years, 6h
United States
December 28, 2026 DEC
Germany
28DEC
ULTRA
9. Grüntal-Winterultra - 50km
Germany
December 28, 2026 DEC
United States
29DEC
ULTRA
2nd Holiday Five Day 3 - 50km
United States
December 29, 2026 DEC

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