Trail Running Calendar United States 2025-2026

We have found 2563 Trailruns in United States. Check below where and when you can find the races.

Angeles Crest 100 Mile Endurance Run, held since 1986, is a 100-mile point-to-point trail race from Wrightwood to Altadena in the San Gabriel Mountains north of Los Angeles. Runners tackle steep climbs and rocky terrain along a course ranging from 1,135 to 9,300 feet, preserving much of the original..

Halloween Horror 5k & 10k returns to Conway Robinson State Forest Park in Gainesville, VA, offering a forest trail race with a Halloween theme. The event features 5k and 10k distances, with the 10k being two laps of the 5k course. The loop route traverses forest trails with technical sections and mi..

November 2026

The Saddleback Marathon is a premier trail running event held in the Saddleback Mountains within the Cleveland National Forest near Silverado, California. Offering marathon, half marathon, and 10K distances, the race features challenging courses with significant elevation gains—4,244 feet for the ma..