Trail Running Calendar United States 2025-2026

The Paradise Valley Trail Run, held at Paradise Valley Conservation Area in Woodinville, Washington, offers 5k, 10k, and half marathon distances on gently rolling trails. The course features a mix of wide promenades and narrow, winding paths through wetland cedar groves and gentle ridges, providing..

The Cirque Series race in Alta, Utah, is a challenging 7.1-mile mountain running event featuring 2,545 feet of vertical gain. The course starts at Goldminer's Daughter base (8,650 ft) and follows a clockwise route through subalpine forests, alpine meadows, and rugged terrain, including steep single..

The Jackrabbit Jubilee is a fixed-time ultra running event held at the historic Nardini Manor in Buckeye, Arizona. Participants can choose to run for 6 or 12 hours on a flat, fast, 500-meter USATF-certified crushed gravel loop that winds around the century-old estate's grounds. The night race featur..

The Terrible Twelve is a 12-hour self-supported trail running event held at the Warhill Nature Trail in Williamsburg, Virginia. Participants run or walk as many 3.7-mile loops as possible on a crushed gravel course featuring rolling hills and scenic views, though personal lighting is required for ni..

The Fire Ball Half and 4 Mile race takes place at Palo Duro Canyon State Park in Canyon, Texas. The event features two distances: a half marathon and a 4-mile loop. Runners experience diverse terrain including smooth single track trails, sand, rock, and short but steep technical ascents and descents..

The Envirosports Angel Island Half Marathon & 10K is an annual event held at Angel Island State Park near Belvedere Tiburon, California. The race features a scenic, hilly loop trail that circumnavigates Angel Island, offering stunning panoramic views of the Golden Gate Bridge, San Francisco, Alcatra..

The MAC (Meeteetse Absaroka Challenge) is a challenging trail running event held near Meeteetse, Wyoming, in the scenic Shoshone National Forest. It features two distances: a demanding 15K course with steep climbs, high elevation, and rugged terrain through grizzly bear country, and a fun, accessibl..

The Antelope Dash is a trail running event held at Curt Gowdy State Park near Cheyenne, Wyoming. It features 4-mile and 8-mile races that traverse rolling hills and winding trails through a scenic landscape of aspens, pines, reservoirs, streams, granite rock formations, and hoodoos. The course start..

The Firebird Trail Races, held in Windham, Maine, offer challenging trail running events with distances of 13 miles, a marathon, and 50K. The courses feature a technical 10-mile loop through Lowell Preserve and North Falmouth Community Forest, with additional loops for longer distances, marked clear..

The Rio Grande 100 is an ultramarathon held in South Fork, Colorado, starting and finishing along the Rio Grande River. The challenging 100-mile course traverses the La Garita Mountains, featuring diverse terrain from arid forests to alpine tundra, with runners crossing elevations above 12,000 feet..

The Twin Anchors Copperhead Beer Relay 20K and Beer Mile is a unique running event held in Hampstead, North Carolina, at the scenic Briar Patch Hunting property near Poplar Grove Plantation. Participants can compete individually or in teams of 2 to 4, running four 5K loops totaling 20 kilometers. A..

The Three Rivers Marathon Swim is a unique 30K open water swimming event held in Pittsburgh, Pennsylvania, traversing the city's three rivers: the Ohio, Monongahela, and Allegheny. Starting at Point State Park, swimmers navigate out-and-back segments in each river, supported by powered escort boats..

The Tree Trail Trot is a scenic 5K trail run held at Salamonie Lake, a state park managed by Indiana's Department of Natural Resources. The race takes place on gently rolling, wooded trails within the Lost Bridge West State Recreation Area near Andrews, Indiana. The course starts and finishes at the..

The Arrowhead Half Marathon & 5K is a scenic trail running event held in the Arrowhead area near Edwards, Colorado, within the Vail Recreation District. The half marathon covers approximately 13.7 miles with nearly 3,000 feet of elevation gain, traversing trails across Arrowhead, Bachelor Gulch, and..

The Ridge to Blazing Ridge Trail Race, held in Pelham, Alabama at Oak Mountain State Park, offers challenging 20-mile and 10-mile trail runs. Starting at the Redbud Pavilion near the BMX Track, the course features difficult terrain with notable landmarks like Tranquility Lake Dam and Peavine Falls...

The Baker Trail UltraChallenge is a challenging 50-mile ultramarathon held in Western Pennsylvania along the scenic Baker Trail. The 2025 race covers the Southern section, starting in Godfrey, PA, and finishing at a historic farmhouse basecamp in Smicksburg, PA. The course features a mix of single-t..

The Double Dipsea is a challenging 13.7-mile trail race held annually at Stinson Beach, California, celebrating its 55th edition in 2025. The course follows the legendary Dipsea Trail from Stinson Beach to Mill Valley and back, featuring steep hills, numerous stairs, and stunning scenic views. Known..

The Oregon Cascades 100 is a challenging point-to-point trail race held in Oregon, starting in Bend and finishing in Sisters. The 100-mile course features approximately 10,700 feet of elevation gain and 11,200 feet of loss, mostly packed into the first 100K, making it tougher than it appears. Runner..

The Green Lakes Endurance Runs, held at Tulip Hill Picnic Area in Green Lakes State Park, Fayetteville, NY, offer ultrarunning events including 100K, 50K, 25K races, and a new 12-hour timed race called GLER GALEFORCE. The courses feature varied terrain with well-maintained single and double track tr..

The Wild Turkey Trail Runs, hosted by the West Virginia Mountain Trail Runners, take place at Valley Falls State Park near Fairmont, WV. This free event offers a variety of distances including 1 mile, 5k, 8 miles, 10 miles, half marathon, 25k, marathon, 50k, and 50 miles. The course features a chall..