Trail Running Calendar United States 2026-2027

Trail event at Crystal Cove State Park on May 8, 2027 with 50K, 25K and 5K routes on dirt roads and single track, ocean views, participant shirt and finisher mug, supporting the John Wayne Cancer Foundation.

Stairs for Strides is a Wheeling event supporting NAMI Greater Wheeling, featuring a 5K with a 350 stair climb and a family friendly 1 mile with no stairs. A food truck festival with over 20 vendors and mental health resources accompanies t..

A marathon presented by the St. Cloud River Runners along the Lake Wobegon Trail through Albany, Avon, St. Joseph and Holdingford. The 2027 race is set for May 8, 2027 and registration opens September 1, 2026.

ChesLen Chase on 05/08/2027 in Coatesville PA features a 5K trail run and a 2-mile fun run-walk, youth categories, member discounts, and a post-race party with music, craft beer, food truck fare, and awards.

A multi-distance trail event in Susanville on May 8, 2027 featuring mostly single track through pines and meadows, aid stations with varied supplies, a 50K and relay option, a half marathon and a kids 1-mile race.

A multi-distance trail event in Pocatello on May 8, 2027 featuring singletrack in the City Creek Trail System. Options include 5K, 10K, a trail half marathon and a 30K with updated routes and noted climbs.

The Dirty German Endurance Fest will take place in Philadelphia on Saturday 8 May 2027. You can run between 25 and 50 miles.

The Denfit Ultra will take place in Cape Vincent on Sunday 9 May 2027. You can run between 50 and 100 kilometers.

Trailquake in Saratoga on Mother's Day offers 5K, 10K, a half marathon and a hiker division on redwood and pine forest trails. Finishers receive custom medals and shirt options.

A multi-day timed running festival at the Sussex County Fairgrounds with a certified 1-mile loop, options from 6 to 144 hours plus Marathon and 50K, night lighting, central aid station, camping and electronic lap timing.

A multi-day ultra event in Los Olivos with looped dirt courses, onsite camping, aid stations about every 5 miles, and race options from one 10-mile loop to multi-day 100 or 200 mile efforts.

A mid May 2027 trail running weekend in Rothrock State Forest, Pennsylvania, with 50K and 25K races across sandstone ridges, fern valleys and rhododendron tunnels. UTMB Community Bibs direct part of registration funds to local charities and..

UTAH 115 is a multi-distance desert ultra in southern Utah from 14 to 16 May 2027. Routes cross red-rock canyons, plateaus and long stretches of deep sand and the event is USATF sanctioned.

An obstacle race weekend at Reveille Peak Ranch near Austin on May 15 and 16 2027. Events include a 5K Sprint, 10K Super, kids races and multi hour Hurricane Heat formats across rocky Texas Hill Country terrain.

The Bear Crawl OCR is a locally operated obstacle course event in Morganton, North Carolina, held at a motocross training facility. It offers one- to six-mile courses with rolling terrain, a dirt bike track, creek and pond crossings, and se..

A team 10K adventure race across a 575 acre Kentucky farm with 18 challenge checkpoints and a two hour time limit. A separate 1 mile community event offers food trucks, activities, and six open checkpoints.

A two-day Spartan weekend at Big Bear Mountain Resort featuring Sprint, Super and Beast obstacle races at high altitude, plus a kids race and spectator options. The layout includes long climbs and descents and a Trifecta opportunity.

A multi-distance trail event at Possum Kingdom Lake with varied terrain, looped courses up to 69 miles, cupless aid stations, and distance-specific awards including a buckle for the 69 mile finishers.

At John Hunt Park in Huntsville a free, capped event offers multiple timed formats including a 24 hour option. Runners use a rubberized 1.7 mile loop with aid stations, food trucks, overnight camping, chip timing, and awards.

Trail runs at Skyline Wilderness Park in Napa on May 15, 2027 offer four distances from 10K through 50K on reworked trails with significant elevation. Aid stations are staffed, the event is cupless, and camping is available through the park..