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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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California, United States
16MAY
ULTRA
Bishop High Sierra Ultras
California, United States
May 16, 2027 MAY
Wisconsin, United States
16MAY
ULTRA
EPIC Green Bay Marathon
Wisconsin, United States
May 16, 2027 MAY
New Jersey, United States
16MAY
ULTRA
Le Semi-Marathon de Printemps de Jersey City
New Jersey, United States
May 16, 2027 MAY
Texas, United States
16MAY
ULTRA
Possum’s Revenge
Texas, United States
May 16, 2027 MAY
California, United States
16MAY
ULTRA
Revel Reno Tahoe Marathon
California, United States
May 16, 2027 MAY
Illinois, United States
16MAY
ULTRA
Semi-Marathon Life Time de Chicago
Illinois, United States
May 16, 2027 MAY
New York, United States
16MAY
ULTRA
Soul Ryeders Half Marathon
New York, United States
May 16, 2027 MAY
New York, United States
16MAY
ULTRA
Teen Race of Hope
New York, United States
May 16, 2027 MAY
Idaho, United States
16MAY
ULTRA
YMCA Famous Idaho Potato Marathon
Idaho, United States
May 16, 2027 MAY
United States
22MAY
ULTRA
11th Run for Amma 50 Km - 50km
United States
May 22, 2027 MAY
Enterprise, Kansas, United States
29MAY
ULTRA
Iron Will Backroads
Enterprise, Kansas, United States
May 29, 2027 MAY
Long Beach, California, United States
05JUN
ULTRA
Pre Reg 2027 Wrigley River Run & Tadpole Trot
Long Beach, California, United States
June 5, 2027 JUN
Greenville, Maine, United States
13JUN
ULTRA
Moosehead Marathon, Half, 10k and 5k
Greenville, Maine, United States
June 13, 2027 JUN
Fleming Island, Florida, United States
22SEP
ULTRA
Super run
Fleming Island, Florida, United States
September 22, 2028 SEP

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