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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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United States
17OCT
ULTRA
3rd Gila 100 - 100mi
United States
OCT
United States
17OCT
ULTRA
3rd Gila 100 - 50mi
United States
OCT
United States
17OCT
ULTRA
3rd Inks Lake Trail Run Ruck - 50km
United States
OCT
United States
17OCT
ULTRA
3rd No Man's Land Trail Run - 50km
United States
OCT
United States
17OCT
ULTRA
3rd Rule the Roost - 12h
United States
OCT
United States
17OCT
ULTRA
3rd The Ceely Rose Twelve Hour Survival Run - 12h
United States
OCT
United States
17OCT
ULTRA
41st Man Against Horse 50 Mile Race - 50mi
United States
OCT
United States
17OCT
ULTRA
42nd Palo Duro 50 Km Trail Run - 50km
United States
OCT
United States
17OCT
ULTRA
47th Presque Isle 12 Hour Endurance Classic - 12h
United States
OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 100 Miles Run - 100mi
United States
OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 12h Run - 12h
United States
OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 24h Run - 24h
United States
OCT
United States
17OCT
ULTRA
4th Cahuilla Rez Ultra 6h Run - 6h
United States
OCT
United States
17OCT
ULTRA
4th Flatrock Georgia - 50km
United States
OCT
United States
17OCT
ULTRA
4th Hootenanny Endurance Run 8h - 8h
United States
OCT
United States
17OCT
ULTRA
4th Shake Your Trail Feather Trail Run - 50km
United States
OCT
United States
17OCT
ULTRA
5th Love Never Ends Trail Run - 50km
United States
OCT
United States
17OCT
ULTRA
6th Clear Creek Ultra - 10h
United States
OCT
United States
17OCT
ULTRA
7th Cactus to Cloud Trail Run - 50km
United States
OCT
United States
17OCT
ULTRA
7th Minnie Ha Ha 6 Hour Run - 6h
United States
OCT
United States
17OCT
ULTRA
7th Rogue Gorge 50 km Race - 50km
United States
OCT
United States
17OCT
ULTRA
8th The Peak 50k Race - 50km
United States
OCT
United States
17OCT
ULTRA
9th Big Hill Pond Walking Tall - 50km
United States
OCT
United States
17OCT
ULTRA
9th Bobcat Trail Race 50k - 50km
United States
OCT
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