Explore the best trail runs in the United States for 2026-2027! Our updated list features 4161 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A point to point trail run about 1.4 miles longer than a half marathon, mostly downhill from Diamondfield Jack Campground to Third Fork Campground. Field capped at 200 runners with one aid station and recommended personal hydration.
A loop ultrarunning event at Kennekuk Cove County Park with 3.25 mile laps, aid stations, camping, shirts and swag bags, and four hour and eight hour runner and walker options. Field limited to 250 participants.
A trail running event through redwood forests near Gilroy with 5K, 10K, and half marathon options featuring large elevation gains and scholarship fundraising for youth trail running camps.
A 6 hour or 12 hour fat-ass trail event on a 1.8 mile loop near Chester town park, with 280 feet of climb per loop. Basic aid and food are provided and proceeds benefit local recreation and recovery organizations.
Experience a 5k mud run and garden party at the Wooden Shoe Tulip Farm. This annual event combines an adventurous obstacle course with a vibrant flower festival to support local charitable community projects.
Bear Creek 2026 in Lafayette California offers a half marathon, 10K, 5K and a remote runner option on August 8, 2026. The trail course includes hills, scenic views and a final mile of downhill shaded single track.
A 12 hour endurance run at Oak Grove Lake Park in Chesapeake, VA on a 1.5 mile loop with lake views and forested sections. The unpaved, tree-lined course has one aid station and is limited to 60 runners.
A five hour out and back event on the technical, hilly single track of Section 4 near Middleburg FL. Limited field, cupless format with water and electrolytes at the halfway point, and awards for the most laps completed.
A *100 km* loop in the Wasatch Mountains near Springville, UT, with mixed trail and road surfaces, over 15,000 feet of elevation gain, and designation as the USATF Utah 100K State Championship.
A casual 6.2 mile trail loop on Moscow Mountain starting and ending at the Warnick Road parking area, featuring over 800 feet of climbing. Part of the Palouse Road Runners Summer 10k series.
A timed annual 5K cross-country race on the Pike XC Course behind Eastbrook Elementary in Indianapolis, organized for alumni and family with official results and no registration fee.