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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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Pennsylvania, United States
29SEP
ULTRA
Run for Donuts Race - Philadelphia
Pennsylvania, United States
SEP
United States
01OCT
ULTRA
13th NJ One Day 50 km Race - 50km
United States
OCT
United States
01OCT
ULTRA
13th NJ One Day 6 Hour Race - 6h
United States
OCT
Belle Chasse, Louisiana, United States
01OCT
ULTRA
HIKE-a-THON
Belle Chasse, Louisiana, United States
OCT
Cornwall, Connecticut, United States
01OCT
ULTRA
Iron Hike - Fall Everest / 29029 Everesting Ultra Trail Marathon - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk
Cornwall, Connecticut, United States
OCT
Miami, Florida, United States
01OCT
ULTRA
Move 4 Hope - Glide & Grow - 1K • 5K • 10K • Half Marathon Virtual Races
Miami, Florida, United States
OCT
Augusta, New Jersey, United States
01OCT
ULTRA
NJ Trail Series One Day
Augusta, New Jersey, United States
OCT
Keithville, Louisiana, United States
01OCT
ULTRA
Star of Louisiana 100
Keithville, Louisiana, United States
OCT
Shreveport, Louisiana, United States
01OCT
ULTRA
Star of Texas 100
Shreveport, Louisiana, United States
OCT
Nevada City, California, United States
01OCT
ULTRA
Yuba Gold
Nevada City, California, United States
OCT
United States
02OCT
ULTRA
1st DC Peaks 100 - 100mi
United States
OCT
United States
02OCT
ULTRA
2nd The Mammoth 200 - 200mi
United States
OCT
United States
02OCT
ULTRA
6th Hell Creek 140 Mile Race - 140mi
United States
OCT
United States
02OCT
ULTRA
7th Red Barn 24 Hour Challenge - 24h
United States
OCT
Los Olivos, California, United States
02OCT
ULTRA
Back On The Ranch Trail Run
Los Olivos, California, United States
OCT
Cornwall, Connecticut, United States
02OCT
ULTRA
Iron Hike - Fall Denali Ultra Trail Marathon - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk
Cornwall, Connecticut, United States
OCT
United States
02OCT
ULTRA
The Mammoth - 345K
United States
OCT
United States
03OCT
ULTRA
10th Bull Mountain 50 Km Epic Run - 50km
United States
OCT
United States
03OCT
ULTRA
11th Yankee Springs Fall Trail Run Festival - 50km
United States
OCT
United States
03OCT
ULTRA
12th Night Owl 6 Hour Shuffle Race - 6h
United States
OCT
United States
03OCT
ULTRA
12th The Hennepin Hundred - 100 Mile Run - 100mi
United States
OCT
United States
03OCT
ULTRA
12th The Naturalist Trail Race - 50km
United States
OCT
United States
03OCT
ULTRA
13th NJ One Day 24 Hour Race - 24h
United States
OCT
United States
03OCT
ULTRA
14th Outdoor X 12 Hour Endurance Run - 12h
United States
OCT
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