Trail Running Calendar United States 2025-2026

The Big Elkin Trail Relay, held in Elkin, North Carolina, is a team-based trail running event featuring 5K loops on a scenic course combining single-track trails and granite dust paths along the old E&A Railroad grade. The mostly shaded route offers views of waterfalls, Big Elkin Creek, and Elkin Re..

The Mt. Ashland Hill Climb is an exciting running and biking event taking place on June 8, 2025, in Ashland, Oregon. Participants can choose to hike, run, or mountain bike a challenging 13.3-mile course that ascends a mile in elevation to the summit of Mt.Ashland. The event is designed for everyone,..

The Garden of the Gods Ten Mile Run® is a premier running event held in Colorado Springs, featuring a challenging 10-mile course that winds through the stunning sandstone rock formations of Garden of the Gods Park. Celebrated for over 45 years, this race attracts participants from across the United..

The adidas Terrex 10K Spring Runoff is an exhilarating trail running event set in the stunning Vail Valley, taking place at an elevation of over 8,000 feet. Participants will face a challenging course featuring constant elevation changes and diverse terrain, making it one of the most demanding 10K r..

The ESTRS French 5KM is a trail running event held at French Regional Park in Plymouth, Minnesota, typically in mid-June. The race features a rolling 5-kilometer loop on wide, soft-surface ski trails through wooded areas, with an elevation gain of about 210 feet. It offers a low-cost, low-pressure e..

The Black Star Canyon 5k Trail Run is an exciting running event taking place in Silverado, California, on June 11, 2025. The race features a scenic 5k course that includes fire roads and single-track trails, with an elevation gain of 390 feet. Participants can expect one aid station providing water..

Heat Wave 6/12/24 is an ultrarunning event organized by the Kansas Ultrarunners' Society, taking place on June 12-13, 2025, at the Rose Hill District Stadium in Kansas. Participants can choose from 6, 12, or 24-hour races, with options for nighttime events. The course is a 400-meter track, and live..

The Tahoe 200 is a challenging endurance run that circumnavigates Lake Tahoe, the largest alpine lake in North America. As part of the prestigious Triple Crown of 200-mile races, it features a stunning route along the Tahoe Rim Trail, showcasing breathtaking views of the lake and diverse landscapes,..

The Otter Creek Mountain Bike Race & Trail Run will take place at Harmon Lake in Mandan, ND, on June 13-14, 2025. This event features a variety of races, including mountain biking and trail running, with distances ranging from 3.5 miles to 55 miles. Participants can compete in categories for experts..

The Wild Rogue Relay is a scenic and challenging overnight team relay race held in Oregon, covering 221 miles from Applegate Lake near Jacksonville to Brookings on the coast. Participants form 6- or 12-person ultra teams, each running three legs of varying distances through the wilderness along the..

The 8 Hours of Brown County is an annual trail running event hosted by the Indiana Trail Running Association at Brown County State Park. Scheduled for June 13-14, 2025, participants can choose between a run-only option or a run with camping. The course features an 8-mile loop with significant elevat..

The Ponderosa Park Run, hosted by the Payette Lakes Ski Club, is a family-friendly event celebrating its 48th year. Participants can choose from three race options: a 1 Mile Kids Run, a 5 Mile Run/Walk, or a 7 Mile Run/Walk, all set in the scenic Ponderosa State Park. The courses feature a mix of pa..

The High Bridge Challenge is a multi-distance trail running event held at High Bridge Trail State Park in Virginia. Participants can choose from various race options, including 26K, marathon, 100K, and 150K, with the opportunity to complete combined "train" races in June and December for special awa..

The OSS/CIA 50 Mile Night Run is a challenging ultramarathon held in Prince William Forest Park, Virginia, known for its historical ties to the U.S. intelligence community. The race features a 50-mile course primarily on single-track trails, with some fire roads and crossings, run twice to complete..

The FARM Barn Burner is an exciting running event taking place in Birmingham, AL, featuring both a half marathon and a 10K race. Participants will enjoy scenic trails, including the Dunnavant Valley Greenway and various nature paths, with elevation gains of approximately 2000 feet for the half marat..

The Big Foot Trail Run, held in Huntsville, Alabama, is the opening race of the Wild Thangs Trail Series. Scheduled for June 14, 2025, it offers 5K and 10K trail distances suitable for both new and experienced runners. The course features scenic mountain views, creek crossings, waterfalls, and sever..

The Summits Trail Runs, part of the Human Potential Running Series, is an exciting trail running event set in the stunning Rocky Mountains at Granby Ranch Resort, Colorado. Scheduled for June 14, 2025, the event features various race distances, including a challenging 43-mile Quad, a 27-mile Triple,..

The XTERRA Transcend Trail Run is an annual event held at Dickerson Mine Preserve in Randolph, New Jersey, and serves as a qualifier for the 2026 XTERRA Trail Run World Championships in Wales. The event features three race distances: a half marathon, 10K, and 5K, all set on fast, flowy singletrack t..

The PRR Summer Series 10K - Headwaters is a fun and engaging running event taking place in Moscow, ID. This 10K race, which is slightly over 5 miles, features a scenic route on Moscow Mountain, known for its challenging terrain with approximately 700 feet of elevation gain. Participants can enjoy a..

The Laurel Highlands Ultra is an annual ultramarathon event held in Ohiopyle, Pennsylvania, featuring multiple race options including a 70.5-mile race, a 50K race, and relay events for both distances. The races follow a point-to-point course along the scenic Laurel Highlands Hiking Trail, starting i..