Trail Running Calendar United States 2026-2027

A 4.15 miles, two loop cross country race on the fire roads of the upper UC Santa Cruz campus on August 23, 2026. The event is part of the Pacific Association USATF Grand Prix series and has limited nearby parking.

East Lansing event on August 23, 2026 with a timed 5k on mostly grass trails and an untimed 1 mile fun run for kids. Hosted by the East Lansing Educational Foundation; registration fees apply.

Point to point 215 mile mountain race through the Bear River Mountain Range near Logan, Utah, with roughly 40,000 feet of climbing and mostly single track and forest roads. Entrants must have completed a mountain 100+ mile race; the fee is..

Experience a fast and flat 12k trail race through the scenic Valley Trails of Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in Bellvue.

A weekly trail race series in Williston, VT offering 5 km and 2.5 km options with adult and youth categories, bib pickup and on-course water refill. Events run rain or shine and follow a posted thunder and cancellation policy.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

Experience a cross country race through the scenic grounds of Talon Winery in Lexington. Enjoy a finisher award plus a glass of wine and live music at the post race celebration.

A three day mountain running weekend at Skeetawk Ski Area in Hatcher Pass near Palmer, Alaska. Events range from a 1 km youth uphill to a technical 37K skyrunning course with about 11,500 feet of vertical gain.

A two-day trail event at Camp Mack offering a night race, chip-timed 12/6/3 hour endurance laps, free kids races, on-site camping, and an aid station at the start and finish.

A team-based overnight trail relay at Soldier Hollow Nordic Center near Midway, Utah on August 28-29, 2026. The event covers 120 miles with substantial elevation gain and includes on-site camping and amenities.

Obstacle race weekend at Mahon Ranch near Elk Grove on Aug 29-30, 2026 with Sprint, Super and Kids races, team entry options, and service member discounts.

Trail-style 5K and 10K at Dirt Farm Brewing in Bluemont, VA on August 29, 2026, featuring rugged terrain, steep climbs, and virtual entry options with medals and shirts.

Tough Mudder Chicago at Richardson Adventure Farm on August 29, 2026 combines mud and named obstacles with 5K, 15K, and Infinity lap options plus a Mudder Village festival and finisher rewards.

A weekend of Sprint, Super and Beast Spartan obstacle races at Summit Bechtel Reserve on Aug 29-30 2026, featuring steep hills, water features, a suspension bridge, and trail race additions.

Trail races at the Switchgrass Mountain Bike Trail in Wilson State Park offering a half marathon and a 50k with significant elevation gain. The single-track course is well marked, with stocked aid stations, drop bag locations, crew restrict..

Trail races at Mt. St. Helens Science & Learning Center feature 50K, 20 mile and half marathon loop courses with significant elevation gain and extensive singletrack. The event includes campsite facilities and a Friday community night with..

A 10 hour endurance run at Bluhm County Park on August 29, 2026, using a 4 to 4.1 mile loop completed on an hourly clock. Runners earn chips after four loops to trade for prizes and receive a limited edition shirt and wooden medal.

A trail race on August 29, 2026 in Chequamegon-Nicolet National Forest offering 100 mile, 100k, and 50k distances. Much of the course follows the Ice Age Trail through forests, lakes, rocky terrain, and prairie sections.

Get ready to get dirty at Phil Moore Park. This 3-mile obstacle run features over 20 natural and man-made challenges through the park. A free kids' play area and group discounts make it a muddy adventure for the whole crew.

A 50 mile point to point ultramarathon on the Baker Trail covering the northern section to Brookville. The course mixes single track, forest and road sections, allows individual runners or five-person relay teams, and includes guided traini..