Trail Running Calendar United States 2026-2027

A 25K and half marathon through remote sections of Tiadaghton State Forest near Slate Run, PA, featuring technical single track, stream crossings, and significant climbs.

Experience the scenic two track trails of Grayling at the Hanson Hills Challenge Trail Run. Choose between a relatively flat three mile route or a hilly five mile course through the Michigan landscape.

A trail race day near Dillon, Montana featuring a 15K, 5K, kids 5K and a 1 mile fun run on off pavement single track with notable climbing, post-race food, and awards.

A trail event near Yosemite offering a **50k** and a **20k Fun Run**, with staffed aid stations, camp lodging, a preordered pre-race dinner, and finisher medals for finishers.

Trail ultramarathon near Butterfield Trailhead Regional Park with 50 mile, 50k, and 30k options, a well marked course, stocked aid stations, locally made medals, free photos, and on-site packet pickup.

Haw Creek Park Trail Run is a trail running event at Haw Creek Park presented by Dirty Spokes Productions. The organizer describes offering premium off road cycling adventures and custom bike builds.

Experience an endurance trail event in the Uinta Mountains with 12 hour, 6 hour, and 5 mile speed run options. Navigate a 5 mile loop through high mountain meadows with views of Marsh Peak and Dry Fork Canyon.

A measured 100 mile loop in Fort Valley, Virginia, through the Massanutten Mountains and Shenandoah River Valley with 14 climbs and about 14,000 feet of elevation gain. There is a 24 hour cutoff for the silver buckle and 28 hours to finish.

Trail races at Granby Ranch Resort in Colorado offer multiple distances including a 14 hour Elevation Challenge based on completed loops. The combined field is capped at 250 and the event includes aid stations, drop bag options, and on-site..

A trail event at Lakewood Nature Preserve where solo runners or relay teams complete four 2 mile loops with a BYOB beer challenge, chip timing, post-race games, giveaways and awards.

XTERRA Deadwood Mickelson runs June 6-7, 2026 in Deadwood, South Dakota, with marathon, half, relay, 5K and kids races on the Mickelson Trail. The USATF certified course passes trestles, rock formations and creekside sections and is a Bosto..

A 5K cross-country run through wooded trails in Cuyahoga Valley with 112 feet of elevation gain, plus a flat 1-mile kids dash on grass at Old Trail School; medals awarded and stroller guidance provided.

Trail races at Point Mugu State Park in Malibu on June 6, 2026, offering distances from a half marathon to a 100K; the event is sold out with a waitlist and volunteers can trade shifts for a free entry.

A trail running event near Chillicothe, Ohio offering youth 2 mile, 10k, 24 hour solo and relay, and a new 100 mile solo option with a 32 hour limit; parking shuttle and assigned 10x10 crew spaces.

A multi distance ultramarathon at St. Helena Heritage Park on June 6 2026 featuring a five mile loop course, relay teams, cupless service, on site camping, and a charity partnership with Team RWB.

A point-to-point trail event through the Huron River Watershed on June 6, 2026, offering 100 and 50 mile routes that cross multiple regional parks and significant trail mileage, with proceeds supporting local watershed conservation.

Trail races in Old Fort, NC on June 6, 2026 offering a 50 km loop, a point to point net downhill half marathon, and a 10 km figure eight on the Old Fort Gateway trails, with aid stations, shuttles for the half, and race swag for finishers.

A volunteer-run trail race on Vashon Island with 50K, 20 mile and 10 mile options on looped trails, marked singletrack and aid stations stocked with drinks and food. The event supports youth athletics and follows USATF safety standards.

A 50 mile out and back on the Pacific Crest Trail in Cleveland National Forest on June 6, 2026, featuring mostly single track, rocky sections, and about 7,500 feet of elevation gain, with multiple staffed aid stations and specified crew rul..

Run through single track forest trails and across rustic bridges at Timothy Lake. This Oregon trail event offers marathon and half marathon distances with scenic views of Mt. Hood in the Cascade Mountains.