Trail Running Calendar United States 2025-2026

The Estes Park Backyard Ultra is an endurance running event held along the scenic Lake Estes, supporting Childcare and Family Services. Participants run a 4.252-mile course on a paved bike trail, completing a lap every hour until only one runner remains. The race features no predetermined end time,..

The High Valley Half is a scenic point-to-point half marathon taking place in Cove and Union, Oregon. The race begins at Dollar's Corner in Cove and follows a route that includes gravel and pavement, featuring a challenging hill early on. Runners enjoy stunning views throughout the course, which end..

The Wicked Worm Trail Races are held on the technical trails at Robinette’s Apple Haus in Grand Rapids, Michigan. The event features multiple race options, including a 10K, a 6-hour, and a 12-hour race, with the latter two capped at 50 participants each. Races run through scenic orchard areas and se..

The Howelsen Hill Trail Run is a scenic and challenging trail race held in Steamboat Springs, Colorado, on June 21, 2025. Participants can choose between an 8-mile or a 4-mile course through the historic Howelsen Hill trail network, featuring beautiful views of aspen trees and wildflowers. The race..

The Hotfoot 5K Trail Run is an annual running event taking place in Port Orchard, Washington, featuring a 5K trail course and a 1-mile trail course. The event is designed for participants of all skill levels and is set in the scenic South Kitsap Regional Park, which offers a mostly flat course that..

The Damon S. Young Memorial Race, held in Tunkhannock, PA, offers a variety of distances including a half marathon, 10K, 5K run/walk, and a 2-mile fun walk. The course features dirt roads, fields, and trails on the Young Family property, with scenic views and challenging climbs totaling up to 1,700..

The Onion River Outdoors Birdland 5K is an exciting running event set in the scenic Vermont forest, featuring rolling hills and vibrant vegetation. Participants will start near the Montpelier Rec Pool and navigate a challenging course that includes 95% single track with technical roots and rocks, of..

The Wild Woman Trail Marathon, held in Trout Lake, Washington, is a women-focused trail running event offering various race options, including a 50K, marathon relay, marathon, and half-marathon. The event promotes camaraderie, outdoor adventure, and personal achievement, encouraging women to connect..

The Black Mountain Trail Races in San Diego, CA, offer challenging trail running events across three distances: 50K, 25K, and half marathon. Participants will navigate rugged, technical trails through historic and scenic areas, including Black Mountain, an ancient extinct volcano with diverse wildli..

The Summer Solstice Trail Run is an early morning trail running event held at Gay City State Park in Hebron, Connecticut. Scheduled for June 21, 2025, it offers three race distances: 3 miles, 5 miles, and 8 miles. The 8-mile race is part of the 2025 Blue-Blazed Trail Running Series and the USATF-CT..

The Trail Rail Run, scheduled for June 21, 2025, in St. Regis, MT, offers a variety of race options including a 50 Mile, 50K, 30K, 12K, 5K, a 50 Mile Hand Cyclist event, and a 50 Mile Relay. The course follows the historic Northern Pacific and Milwaukee Railroad grades, featuring scenic views, histo..

The Sproul 10K is an annual trail running event held in the scenic Sproul State Forest, known for its challenging terrain and breathtaking views. Scheduled for June 21, 2025, this race features a demanding course that includes a steep 3-mile uphill climb to McCloskey Mountain, followed by a thrillin..

The Dino South Bend Trail Run is a 7-kilometer race held at Potato Creek State Park in Indiana. The course features wide, stable paths suitable for runners of all levels, with a mix of easy terrain and two challenging hills that test endurance. Participants can earn bonus points toward the Dino Trai..

The TARC Blue Hills Skyline Trail Run is a challenging 12K race set in the scenic Blue Hills Reservation in Milton, Massachusetts. Participants will tackle approximately 2,300 feet of elevation gain on a rugged course featuring rocky terrain, steep climbs, and technical descents, all while enjoying..

The Iowa Trail Run Series: A Midsummer Night's Run is an exciting running event scheduled for June 21, 2025, at McFarland Park in Ames, Iowa. Participants can choose between a 5K or 10K trail run, featuring a mix of single track, prairie, and gravel paths as the sun sets on a summer evening. A porti..

The Vertical Mile Challenge will take place in Hiddenite on Saturday 21 June 2025.

The Gritty Chix Mud Run is a fun, non-competitive event held at ACE Adventure Resort in Oak Hill, West Virginia. Scheduled for June 21, 2025, it welcomes women and girls aged 10 and up to tackle a mud-splattered obstacle course designed for all skill levels. Participants can choose between a 1-mile..

Alpine Solstice is a trail running event held in Bend, Oregon, on June 21, 2025, celebrating the summer solstice. The race features two distances: a 55K ultra marathon and a half marathon. The 55K course offers stunning views of Tumalo Falls and the Cascade peaks, with 90% single-track trails, 4 aid..

The Silver Creek Trail Run Half Marathon, held at Night Owl Landing in Kingston, Washington, offers a scenic trail running experience through a 122-acre private resort featuring Douglas Fir, Big Leaf Maples, Alders, and Western Red Cedar. The course consists of packed forest dirt and some gravel, wi..

The Jackal Trail Marathon is an annual race held in Jackson, Tennessee, and is part of a series of five consecutive marathons in June 2025. The event features a 3.75-mile trail loop, which participants run seven times to complete the marathon. Known for its scenic foliage-covered trail, the race is..