Trail Running Calendar United States 2026-2027

A 24 hour ultrarun at St Helena Park in Canal Fulton, Ohio on June 5–6 2027 offering 100 mile, 25K and relay options on a 5 mile loop with a main pavilion aid station and on site camping.

Trail races in Malibu Canyon on June 5, 2027, across single track and fire roads in the coastal Santa Monica Mountains. Distances range from a half marathon to 100k, with athlete guides available for each race.

The Woodland Ramble Trail Run will take place in Stonington on Saturday 5 June 2027. You can run 5 kilometers.

A grassroots trail half marathon in Sky Valley, Georgia on June 6, 2027, organized by Run the Cohuttas. Online entry is listed at USD 48.50, day-of cash registration is USD 45, and there are no refunds or awards.

A mountain trail event in Roxbury, NY on June 6, 2027 featuring a 6.5 mile mountain race with 3500 ft of gain and a steep 5k route with a heavy early climb and downhill finish. Organized by CTW Endurance.

A trail event in Griffith Park offering a 26.2 mile team marathon relay and a single-loop 8K. Features chip timing for the relay, aid stations with medical staff, shirts, medals, prizes, food vendors and live DJs.

Baby Shippey is a summer trail race at Beaumont offering a rugged 10k and a 13.05 mile half with steep climbs, rock traverses and aid stations. Entry is limited to the first 150 runners.

Trail races at Ward Pound Ridge Reservation on June 6, 2027 include a half marathon and a 10k that pass the summit where the historic fire tower is being reconstructed. Proceeds support Friends of the Fire Tower for accessibility and educat..

A community 5K and family fun run at Seneca Park on June 6, 2027, offering 5K and one mile options. The event supports Rochester Hearing & Speech Center services and includes a kid zone and ice cream.

A Tough Mudder obstacle event on June 12, 2027 at Koenig Sand & Gravel in Oxford, MI, offering 15K, 5K, Infinity laps, spectator passes, and group packages on rugged sand-and-gravel terrain with 12 to 20+ obstacles.

Weekend multisport event at Green Lakes State Park with Saturday triathlon style races and relays, and Sunday 8K trail racing plus a kids beach run for ages ten and under.

Trail races at Granby Ranch Resort in Colorado on June 12, 2027, across multiple distances including a 14-hour Elevation Challenge scored by total elevation climbed. The event uses mountain single-track, aid stations, drop bags, and has a 2..

An elimination style trail event at The Preserve at Lakewood in Greenville, SC, run on a two mile loop where each lap's cutoff shortens by one minute. Distances range from 13.1 miles to 100K and the aid station is cup free.

A clothing optional trail event at Carolina Foothills Resort offering a chip-timed 5K and an optional 7.3K Mike Ward Challenge with awards, finisher's medal, and tiered early-registration benefits.

Trail races of 2K, 5K and 10K at Crossroads at Big Creek in Sturgeon Bay on June 12, 2027. The event features chip timing, water stations, locally sourced prizes, a native tree for participants, and postrace snacks.

An iterated loop endurance race in West Greenwich RI where runners repeat a 3.8 mile loop with 450 ft of climb and must complete each loop within 60 minutes until only one runner remains ready to continue.

An open road urban 50 mile team ultramarathon in Miami where two person teams run together, navigate via directional cards, use checkpoints and drop bags, and compete in Male, Female, or Co Ed divisions with a 30 team limit.

Night trail running at Estrella Mountain Regional Park with five distances on desert single-track, stocked aid stations, chip timing, live tracking, and on-site camping.

A community 5K and 1 mile family walk at Camp Edey in Bayport, NY, featuring a wooded loop course, family activities, participant amenities like finisher medals and photos, and awards across multiple age divisions.

A trail running event in Blodgett, OR on June 12, 2027 featuring a single-loop 50K and a 25K route on private Starker Forests trails, with camping, aid stations, shirts, and age group awards.