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Ultramarathon Events in United States 2025-2026
Ultramarathons, or ultras, are any running races beyond the standard marathon distance of 26.2 miles (or 42.2k). The most common ultra distances are 50k, 100k, 50 miles, or 100 miles, but each event is unique in terms of distance and terrain. The International Association of Athletics Federation recognises world records at ultramarathon events that have a distance of 100km. There are even 24hr ultramarathons, where the distance is unlimited, or multiday ultras, where the distance can extend beyond 1000km. There are a couple of city-based ultramarathons, but most ultras make the most of the USA's stunning scenery and landscapes. A lot of these events go off-road and require trail-running over difficult terrain with steep climbs or along rugged coastlines. There are over 1,500 ultramarathon events in the USA. One of the most famous and most difficult events is the Badwater Ultramarathon, which is 135 miles long through the searing heat and arduous terrain of Death Valley.
6
Snowmass Village, US
Fri 6th Jun 2025
7
La Honda, US
Thu 7th Aug 2025
10
Orderville, US
Wed 10th Sep 2025
12
US
Sat 12th Apr 2025
5.0
2
Alvord, US
Fri 2nd May 2025
9
Orderville, US
Fri 9th May 2025
22
Santa Clarita, US
Sat 22nd Mar 2025
22
Los Angeles County, US
Sat 22nd Mar 2025
22
Bald Head Island, US
Sat 22nd Mar 2025
22
Muenster, US
Sat 22nd Mar 2025
22
Wilmington, US
Sat 22nd Mar 2025
22
Seven Springs, US
Sat 22nd Mar 2025
23
Thornton, US
Sun 23rd Mar 2025
29
Killeen, US
Sat 29th Mar 2025
29
Buellton, US
Sat 29th Mar 2025
29
Lackawaxen, US
Sat 29th Mar 2025
29
San Luis Obispo County, US
Sat 29th Mar 2025
29
Longview, US
Sat 29th Mar 2025
29
Kansas City, US
Sat 29th Mar 2025
29
Millburn, US
Sat 29th Mar 2025
5
Des Moines, US
Sat 5th Apr 2025
5
Wolfe County, US
Sat 5th Apr 2025
5
Cleburne, US
Sat 5th Apr 2025
5
Midlothian, US
Sat 5th Apr 2025
5
Clifton, US
Sat 5th Apr 2025
5
Boise, US
Sat 5th Apr 2025
5
Needville, US
Sat 5th Apr 2025
6
Macungie, US
Sun 6th Apr 2025
12
Quitaque, US
Sat 12th Apr 2025
12
Waco, US
Sat 12th Apr 2025
12
Madison, US
Sat 12th Apr 2025
12
Woodside, US
Sat 12th Apr 2025
12
Oshkosh, US
Sat 12th Apr 2025
12
Woodside, US
Sat 12th Apr 2025
12
Geyserville, US
Sat 12th Apr 2025
12
Reedley, US
Sat 12th Apr 2025
12
Little Rock, US
Sat 12th Apr 2025
13
Raleigh, US
Sun 13th Apr 2025
19
Bronx County, US
Sat 19th Apr 2025
19
Smithland, US
Sat 19th Apr 2025
19
Southern Pines, US
Sat 19th Apr 2025
19
Borden, US
Sat 19th Apr 2025
19
Issaquah, US
Sat 19th Apr 2025
19
Suwanee, US
Sat 19th Apr 2025
19
Claude, US
Sat 19th Apr 2025
19
Altura, US
Sat 19th Apr 2025
26
Young County, US
Sat 26th Apr 2025
26
Borrego Springs, US
Sat 26th Apr 2025
