Trail running Events in United States 🇺🇸 2026 — Calendar

14 Upcoming trail running events listed in United States from June 2026 to December 2027 with the most events in California (5), Colorado (4) and Wyoming (1), including Bighorn 32 Mile and Western States 100.

9 Athletes targeting these events on Intervals.icu

Bighorn 32 Mile

Dayton, WY Trail Run

Western States 100

Western States Endurance Run

Olympic Valley, CA 96146, USA Trail Run

Silverheels 100k

Fairplay, CO 80440, USA Trail Run

Silver rush

Leadville, CO 80461, USA Trail Run

Tahoe Rim Trail 100k

2201 W College Pkwy Trail Run

Never Summer 60k

The 60k is on Friday, the 100k is on Saturday.

Walden, CO 80480, USA Trail Run

San Juan Softie

Durango, CO, USA Trail Run

Heineman Hills Marathon

Part of Underdown Trail Run: 60k, Marathon, half marathon available

W3259 Heineman Rd, Merril, WI 54452 Trail Run

Corner Canyon 10k

Draper, UT, USA Trail Run

Angeles Crest 100

The Angeles Crest 100 Mile Endurance Run has been held since 1986. It is one of the original five 100-mile races and is…

Wrightwood Trail Run

Kodiak 100km (3120 M+)

https://kodiak.utmb.world/races/100K

Big Bear Lake, CA, USA Trail Run

Sonoma Fall Classic

Sonoma County, CA, USA Trail Run

Mt. Tam 50K

Mt. Tamalpais is the dominating feature in Marin County. Any true trail runner who sees it wants to run up it. Here’s…

43 Arenal Ave, Stinson Beach, CA 94970, USA Trail Run

Lady of the Lake

405 Vogal State Park Road Trail Run Run