Trail Running Calendar United States 2026-2027

The Kokanee Trail Runs celebrate their 35th year with scenic courses near Fallen Leaf Lake. Runners can choose from a half marathon, 10K, 5K, or a kids' Tadpole Trot. The event supports local charities and emphasizes a low-waste race enviro..

Trailfest returns on October 4, 2026, with 5k, 10k, and half marathon trail runs on a technical, hilly course. Runners enjoy a hoodie, post-race tacos, and awards for top finishers. The event features a festive atmosphere with local beer fo..

A classic four-race trail series in Colorado Springs parks, with distances growing each week from 3.8 to 7.4 miles. Awards celebrate those who complete the entire cross-country challenge. The long-running event enforces strict safety rules..

Run a scenic 5K on the shaded, groomed horse trails of Palos Verdes Peninsula. The event supports Strides in Recovery, a nonprofit helping people in addiction treatment through running. Participants receive a medal, t-shirt, and can enjoy a..

Tackle the 25K trail course starting from the OSU Forestry Cabin near Corvallis on October 4, 2026. The event is part of the Corvallis Trail Series and supports local trail building and rescue efforts. Registration includes a race shirt.

Experience the rugged beauty of Bald Eagle State Forest at a trail event featuring technical singletrack and steep climbs. Choose between a punchy 10K or a scenic half marathon through the remote Poe Valley mountains.

This point-to-point 25k trail run follows the scenic eastern shore of Baker Lake. Runners are bused to the start to experience old-growth forests and views of Mt. Baker. The autumn setting features unique flora along the route.

The Blues Cruise is a 50K trail ultramarathon looping around Blue Marsh Lake near Reading, PA. The scenic course features rolling hills, a single major climb, and themed aid stations. A relay option and a post-race party are also part of th..

The Ponte Vedra 10-Miler offers scenic routes on the Nocatee Greenway Trails. Choose from a 10-mile, 10K, or 5K, with in person and virtual options. Runners receive premium gear, and top finishers earn awards.

Run through the scenic trails of Jefferson Memorial Forest in this cupless trail event featuring 5 mile and 8 mile distances. Earn special series awards while exploring the beautiful Horine Reservation landscape.

The Mile for Mentoring will take place in Gilford on Sunday 4 October 2026.

The NCS Take the Hill 5K features a challenging cross-country course on the North Cross School campus. The event includes a timed 5K run, an untimed 5K walk, and a Kids' Fun Run with bounce houses and face painting.

Run or walk along the tree lined Oak Leaf Trail before finishing at the Oktoberfest celebration in Glendale. This event features a 5k run and a 54 yard dash with post race refreshments and festival entry.

Event Overview The XTERRA World Championship is a multi-day off-road triathlon and trail running event. It takes place from October 8 to October 11, 2026, in Ruidoso, New Mexico. The event is described as a high-altitude challenge celebrati..

The Yeti 100 Mile Endurance Run is a Western States qualifier in Virginia. The point-to-point trail race has a 30-hour cutoff and requires a qualifier for entry. Crew support, pacers, and a cupless policy with specific mandatory gear define..

A 241.8 mile ultramarathon in Moab, Utah traversing desert, canyons, slick rock and two mountain ranges with 15 aid stations, five sleep stations, and a 112 hour cutoff.

A multi-day IGNITE Trail Series event at Chain O’Lakes State Park featuring 150, 100, and 50 mile trail races in October; the IT100 is a Western States qualifier with registration that closes about two weeks before the event.

Traverse the vast Flint Hills tallgrass prairie on backcountry gravel roads. Choose from a range of distances, from a half marathon to a grueling 125-mile ultra. The event offers full support with aid stations and crew access points.

The West Virginia Trilogy is a three-day running challenge in the Monongahela National Forest. Runners complete a 50k, 50-mile, and half-marathon over consecutive days on the Eastern Continental Divide. The event is based at the Spruce Knob..

Event Overview The Tesla Hertz Run is a multi-distance trail running event held in Rocky Point, New York, on Long Island. The races take place over a weekend in early October. Participants can choose from several distances, with specific st..