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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 4251 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

September 2026
A multi day ultra on a 2 mile loop in Loveland offering time based and distance races with round the clock aid and on site camping.
A community fundraiser at Thorncroft Farm featuring a 5K trail run, 5K walk, and a one mile Move As You Please with an after party that includes live music and food trucks.
Experience a unique multi day ultramarathon where your age determines your clock. Run as many miles as possible on a one mile loop in a community focused event that celebrates veteran athletes and long distance legends.
A weekly fall trail running and walking series at Great Glen Trails in Gorham, NH from Sep 3 to Oct 8, 2026. Choose from 5 km, 3 km or 1.5 km courses; dogs on leash are welcome and one-time entries are available on-site.
A multi-distance trail weekend in early September 2026 through the Dark Divide Roadless Area in the Washington Cascades, featuring a 100 Mile race with a 48 hour cutoff, a new point to point 100K, a 50K and a 14 Mile Fun Run.
A farm-based timed obstacle series at Decker Farm with 36, 12, and 4 hour formats that mix trail running, farm chores, military-style and strongman tasks.
Timed endurance races on a 1.5 mile loop around an organic farm near Lennox SD, with events from 3 to 48 hours, camping, a staffed aid station, and simple lap scoring.
An evening trail event at Hemlock Nature Preserve on September 4, 2026 offering a 7-mile (about 11 km) run, ruck, or hike plus a 1-mile option, a twice crossed stream, live German music, biergarten, chip timing, awards, and post-race food.
A trail race around Boardman Lake in Traverse City offering 4 miles, 8 miles, and a two person relay on mostly paved trails with some boardwalks and bridges. All finishers receive a technical running cap and a bowl from Playa Bowls.
Run through the night on the flat Bonneville Salt Flats in this unique dusk to dawn event. Compete as an individual or in a relay team to cover as many miles as possible under the stars.
A 24 hour Labor Day weekend fundraiser in Loves Park with three fitness challenges at Peak Sports Club, benefiting local children with cancer.
A late summer cross country meet at Morven Park on September 4, 2026 featuring 2 mile and 5K races, spectator areas, music, food, and team pricing caps.
A three-day, all-ages festival in Copper Harbor with mountain bike races across multiple disciplines, a 10K trail run, live music, awards, and volunteer opportunities.
A 30 plus hour in person endurance event in Molena, GA combining trail running and rucking with heavy carries, time trials, and team challenges.
An evening cross country opener at Elon on September 4, 2026, featuring women's 4K (four 1000 m laps) and men's 6K (six 1000 m laps).
Two-day trail race weekend at Crystal Mountain near Thompsonville offering 5K, 10K and half marathon options presented by Michigan Trail Experience.
Gravel-road marathon, half marathon and 10k around Jump off Joe Mountain near Kennewick with summit views, spaced aid stations, and a cupless hydration policy.
Participate in a meaningful multisport event in Alpena featuring half marathon and 5K runs alongside bike races and untimed tours. Support local healthcare and scholarships while exploring the trails and streets of Northeast Michigan.
Technical 5K and 10K trail races at Franklin Creek State Natural Area with multiple creek crossings, limestone bluffs, awards, and proceeds benefiting the Franklin Creek Conservation Association.
Trail races at the Six-O Ranch in Cleburne TX with 50K, marathon, half marathon and 6 mile options on mixed single track and ranch roads.
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