Date
Location
Categories
- Ultramarathons
- 50km Runs(270)
- 100km Runs(48)
- 24h Runs(5)
- Multi-Day Ultras(1)
- SARR Prickly Pear 50K/10M/5K7MAR2020
SARR Prickly Pear 50K/10M/5K
Running ‧ San Antonio31.1 mi • 9.3 mi • 3.1 mi$35 - David’s Trail Endurance Run18JAN2020
David’s Trail Endurance Run
Ultramarathon ‧ Mountain Home31.1 mi • 15.5 mi • 4.3 mi - American River 50-mile Endurance Run4APR2020
American River 50-mile Endurance Run
Running ‧ Sacramento50.0 mi • 26.2 mi • 13.1 mi - Flint Hills 50 Mile & Marathon18APR2020
Flint Hills 50 Mile & Marathon
Ultramarathon ‧ Manhattan50.0 mi • 26.2 mi - Rattler Trail Race11APR2020
Rattler Trail Race
Running ‧ Colorado Springs31.1 mi • 15.5 mi • 6.2 mi - Run for Kids Challenge9MAY2020
Run for Kids Challenge
Running ‧ Pelham31.1 mi • 6.2 mi - Southwest 10028MAR2020
Southwest 100
Running ‧ Fort Davis100.0 mi • 50.0 mi • 26.2 mi • 13.1 mi • 6.2 mi • 3.1 mi - Lookout Mountain 50 Miler14DEC
Lookout Mountain 50 Miler
Running ‧ Chattanooga50.0 mi • 18.0 mi • 6.2 mi$35 - $95 - Mockingbird Marathon4JUN2020
Mockingbird Marathon
Running ‧ Erwin31.1 mi • 26.2 mi • 13.1 mi • 6.2 mi • 3.1 mi - Bee Rock Tunnel Marathon3JUN2020
Bee Rock Tunnel Marathon
Running ‧ Appalachia31.1 mi • 26.2 mi • 13.1 mi • 6.2 mi • 3.1 mi - Lake McMurty Run11APR2020
Lake McMurty Run
Running ‧ Stillwater62.1 mi • 31.1 mi • 15.5 mi • 7.5 mi • 3.1 mi - Save Mount Diablo Trails Challenge11APR2020
Save Mount Diablo Trails Challenge
Running ‧ Walnut Creek31.1 mi • 13.1 mi • 6.2 mi • 3.1 mi$40 - $125 - Reverse Ring Winter Massanutten Trail Circuit Run - Semi Invitational22FEB2020
Reverse Ring Winter Massanutten Trail Circuit Run - Semi Invitational
Ultramarathon ‧ Front Royal71.0 mi - Arches Ultra25JAN2020
Arches Ultra
Running ‧ Moab50.0 mi • 31.1 mi • 13.1 mi • 5.6 mi - Swamp Forest Trail Run4JAN2020
Swamp Forest Trail Run
Running ‧ Tallahassee31.1 mi • 26.2 mi • 13.1 mi • 6.5 mi - Way Too Cool 50K Endurance Run7MAR2020
Way Too Cool 50K Endurance Run
Ultramarathon ‧ Cool31.1 mi - Spring Rat Race21MAR2020
Spring Rat Race
Running ‧ Ocean Township31.1 mi • 12.4 mi • 6.2 mi - Hoka One One Rocky Raccoon 100 Endurance Trail Run1FEB2020
Hoka One One Rocky Raccoon 100 Endurance Trail Run
Ultramarathon ‧ New Waverly100.0 mi • 62.1 mi • 1.0 mi - Bel Monte Endurance Races14MAR2020
Bel Monte Endurance Races
Ultramarathon ‧ Lyndhurst50.0 mi • 31.1 mi • 15.5 mi - POSTOAK Lodge Challenge21FEB2020
POSTOAK Lodge Challenge
Running ‧ Tulsa27.2 mi • 13.1 mi • 6.6 mi - Skydive Ultra Florida25JAN2020
Skydive Ultra Florida
Running ‧ Clewiston100.0 mi • 50.0 mi • 31.1 mi • 26.2 mi • 13.1 mi • 6.2 mi - SARR Prickly Pear 50 K 15 K 5 K7MAR2020
SARR Prickly Pear 50 K 15 K 5 K
Running ‧ San Antonio31.1 mi • 9.3 mi • 3.1 mi - Willis River 50 K5JAN2020
Willis River 50 K
Ultramarathon ‧ Cumberland31.1 mi • 21.7 mi - Chehaw Challenge25JAN2020
Chehaw Challenge
Ultramarathon ‧ Albany50.0 mi • 31.1 mi
About ultramarathons in the USA
Ultramarathons, or ultra runs, are endurance running races or treks beyond the standard marathon distance of 26.2 miles (42.2k). The most common distances for ultra running are 50k, 100k, 50 miles, or 100 miles (aka centurion races). Ultras take place on roads or trails across the US, and some last for 24 hours or multiple days. Some multi-day stage races are even self-sufficient, where runners must carry all of there equipment and provisions with them for the duration of the race.
What are the best USA ultra marathons?
There are over 1,500 ultra marathon events in the USA. The best ultra marathons make the most of the USA's spectacular scenery, including coasts, deserts, mountains, and national parks. The Golden Gate Trail Run is one of the best rated ultra marathon events on our list. The Badwater 135 is seen as one of the world's toughest and hardest ultra marathons, going through Death Valley.
How long should I train for an ultramarathon?
It is important to devote a significant amount of time and effort to training if you are wanting to complete an ultramarathon. Everybody has different levels of fitness and the race distances vary, so it is difficult to be precise with training plans. Most first-time ultrarunners will already have lots of running experience, so 6-10 weeks of specific training should get you ready for a 50k ultra. During your training, it is also important to get used to in-race nutrition and running on trails.