Explore Trail Races and Ultramarathons Worldwide

Races the community is stoked about

What runners are watching this season

High Lonesome 100

Nathrop, CO, United StatesJuly 17 – 18, 2026

Dist100 mi

Gain23,240 ft

Limit37 h

Terrain

Western States Endurance Run

Olympic Valley, CA, United StatesJune 27, 2026

Dist100.2 mi

Gain18,000 ft

Limit30 h

Terrain

Hardrock 100 Endurance Run

Silverton, CO, United StatesJuly 10 – 12, 2026

Dist102.5 mi

Gain33,200 ft

Limit48 h

Terrain

Chuckanut 50K

Bellingham, WA, United StatesMarch 21, 2026

Dist31.1 mi

Gain5,970 ft

Limit8 h

Behind the Rocks Ultra 50K

Moab, UT, United StatesMarch 28, 2026

Dist32.2 mi

Gain3,150 ft

Limit12 h

Terrain

The Best Alpine Ultras

Mountain races with stunning scenery and serious vertical

LotteryQualifier Req

Hardrock 100 Endurance Run

Jul 10, 2026

100 MileCrewPacers

LotteryQualifier Req

High Lonesome 100

Jul 17, 2026

100 MileCrewPacers

LotteryQualifier Req

Cascade Crest 100

Jul 17, 2026

100 MileCrewPacers

Never Summer 100K

Jul 25, 2026

100KCrewPacers

Browse by region

Trail races and ultramarathons in the most active regions of our directory.

Explore Trail Races and Ultramarathons Worldwide

Races the community is stoked about

High Lonesome 100

Western States Endurance Run

Hardrock 100 Endurance Run

Chuckanut 50K

Behind the Rocks Ultra 50K

The Best Alpine Ultras

Hardrock 100 Endurance Run

High Lonesome 100

Cascade Crest 100

Never Summer 100K

Browse by region

States & provinces

Countries

Explore Trail Races and Ultramarathons Worldwide

Races the community is stoked about

High Lonesome 100

Western States Endurance Run

Hardrock 100 Endurance Run

Chuckanut 50K

Behind the Rocks Ultra 50K

The Best Alpine Ultras

Hardrock 100 Endurance Run

High Lonesome 100

Cascade Crest 100

Never Summer 100K

Browse by region

States & provinces

Countries