Trail Running Calendar United States 2025-2026

The Leadville Trail Marathon and Heavy Half are challenging trail running events held in Leadville, Colorado, featuring rugged courses through the historic mining district. The marathon covers 26.4 miles with an elevation gain of 6,167 feet, reaching the highest point at Mosquito Pass at 13,185 feet..

The OC Trail Runners Group Run is a free, social, and non-competitive trail running event held in Newport Coast, California, at El Moro and Laguna Coast Wilderness Park. The group meets at Coastal Peak Park and enjoys a different route each time. The June 28, 2025 run covers about 8 miles with rough..

The Tiger Peak Challenge is a demanding trail running event held near Issaquah, Washington, within the 13,745-acre Tiger Mountain State Forest. Scheduled for June 28, 2025, it offers three main race distances: a 5-mile run with 600 feet of elevation gain, a half marathon featuring 4,000 feet of clim..

The State Games of Mississippi Trail Race is a 4.6-mile off-road trail run held at Bonita Lakes in Meridian, Mississippi. The course starts at the Bonita Lakes Boat Ramp on the Upper Lake, offering runners a scenic and natural trail experience. The event features age divisions for both males and fem..

Race The Cog is a unique mountain footrace held at the Mount Washington Cog Railway in Bretton Woods, New Hampshire. Participants race alongside the historic cog railway tracks to the summit of Mount Washington, covering a challenging 2.75-mile course with a 3,500-foot elevation gain. The route feat..

The Big Timber Trot 6K/10K is a trail running event held in Charleston, West Virginia, within the Kanawha State Forest. Scheduled for June 28, 2025, it offers two race distances: a 6K and a 10K trail run. Both races start and finish at Shelter #6 in the forest, providing a scenic and natural course..

Hell Hath No Hurry is a trail running event held at Settler's Cabin Park in Carnegie, Pennsylvania. Scheduled for June 28, 2025, it offers multiple race distances including 10K, 30K, 50K, 50 Mile Race, and a 50 Mile Relay, catering to runners and walkers of various abilities. The event emphasizes ch..

The Brooksvale 12-Hour is an endurance running event held in Hamden, Connecticut, featuring a challenging 4.25-mile loop with 500 feet of elevation gain. Participants can choose to run distances ranging from a marathon (six loops) to a 50k (eight loops), or aim for 50 miles within the 12-hour time l..

Hellz Bellz Ultra is a challenging 50-mile trail race held in Yacolt, Washington, starting at Yacolt Recreation Park. The course features a tough climb up Bells Mountain, multiple clear cuts, stream crossings, and stunning views of Mt. St.Helens. Around mile 10, runners reach the Yacolt Burn Aid Sta..

The Mountain Magic Trail Run in Mead, Washington, offers a scenic and challenging trail running experience at Mt. Spokane State Park. Featuring distances of 5K, 10K, 25K, and a new 35K "Grand Tour," the event takes runners through rolling Nordic ski trails with pine forests and minor peaks, providin..

Hallie’s Hustle is an annual 5K run/walk held at Black Mountain of Maine in Rumford, featuring a scenic trail course that celebrates the legacy of Hallie Oldham, a young trail running enthusiast. The event includes a 5K race for runners and walkers, followed by a half-mile kids fun run. Participants..

The Buckeye Trail is a trail running event held in Brecksville, Ohio, featuring two distances: a 50k and a new 25k point-to-point race. The 50k, Ohio's oldest trail 50k since 1994, starts at Oak Grove Picnic Area in Brecksville Reservation and follows a historic out-and-back course. The 25k begins a..

The Anytime Runners 12H Training Run is a supported endurance event held at Griffith Park, Los Angeles, specifically at the Crystal Spring Picnic Area. Participants run or walk on a mostly flat 3-mile loop trail for up to 12 hours, from 6 AM to 6 PM, with the flexibility to start anytime between 6 A..

The Catamount Weekly Trail Running Race is a recurring event held at Catamount Outdoor Center, offering distances including a half lap, 5K, and 10K. The races take place rain or shine, with a clear thunder policy in place for safety. Participants receive new bib numbers each week to ensure accurate..

The Leadville Firecracker 5K is a festive running event held in Leadville, Colorado, the highest incorporated city in North America. Participants can walk or run a 5-kilometer (3.1-mile) course that begins and ends in downtown Leadville, offering a unique high-altitude experience above 10,000 feet...

The Firecracker Trek Denison is a trail running event held at Waterloo Lake Park in Denison, Texas. It features 5K and 10K distances on a scenic and challenging course that includes technical rock and dirt single track, rocky and rooty trails, bridges, and rolling hills with red rock cliffs and flow..

The Run For A Vet in Mercer, Wisconsin, is an annual event held on July 4th at the MECCA trail system. It features a 5K trail run and a 1-mile fun walk/run, offering participants a scenic outdoor experience in the north woods. The event fosters a family-friendly atmosphere focused on fun, fitness, a..

Burney Basin Days is a unique running event held in Burney, California, featuring 5K and 10K trail runs along part of the Historic Great Shasta Rail Trail and scenic forest roads. The race starts at a single location, with 5K runners branching off before the 10K split, offering participants a chance..

The Big Butt 50K is a USTAF-certified road race held annually in Lancaster, South Carolina, near the NC/SC Andrew Jackson Birthplaces. Established in 1993, the course consists of multiple loops on scenic country roads, offering a challenging yet picturesque ultramarathon experience. Runners receive..

The Brundage Mountain Summit Cat Track event in McCall, Idaho, offers two scenic mountain runs: a challenging 10K uphill and downhill race and a 5K downhill run. The 10K course ascends 3.1 miles with a 1,640-foot elevation gain to Brundage Mountain's summit, providing stunning 360-degree views of Pa..