Trail running Events in United States 🇺🇸 2026–2027 — Calendar

12 Upcoming trail running events listed in United States from September 2026 to March 2028 with the most events in California (6), Colorado (2) and Texas (1), including Kodiak 100km (3120 M+) and Mt. Tam 50K.

13 Athletes targeting these events on Intervals.icu

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

The Pretzel Run

Louisville, CO, USA Trail Run

Kodiak 100km (3120 M+)

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

Big Bear Lake, CA, USA Trail Run

Palo Duro Canyon 50k

Canyon, TX 79015, 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

Ripon Turkey Trail Run (10k)

Ripon, CA 95366, USA Trail Run

Black Canyon Ultras 100K

17300 E Mule Deer Dr, Spring Valley, AZ 86333, USA Trail Run

Utmb Rothrock

301 Bear Meadows Rd, Boalsburg, PA 16827, USA Trail Run

Samson's 10k

2515 Tunnel Rd, Estes Park, CO 80511, USA Trail Run

Kodiak Ultra Marathons by UTMB 100M

Big Bear Lake, CA, USA Trail Run