Trail Running Calendar United States 2026-2027

Experience the Midland City Forest trails by day or night at the 10th annual Red Moon Trail Run. Choose from various distances marked by LED guides on a flat loop course with professional timing and finisher medals.

Ocean State Ultra in West Greenwich, Rhode Island (August 29–30, 2026) offers a 100 mile race with a 34 hour limit plus 12 and 6 hour loop events; registration runs March 30 to August 17, 2026.

Island loop races at Angel Island State Park with sweeping bay views; a 10K single loop and a Half Marathon that does two loops, limited to 400 participants and requiring ferry transport.

Trail races at Sunset Bay State Park near Coos Bay on August 29, 2026 include a half marathon, 15K, 4 mile trail and 1 mile beach fun run on a hilly coastal course with aid stations and awards.

Multiple distances are held in Katy Texas on August 29 2026, including 5K, 10K and a half marathon. Courses use short out and back loops, there is a 3 hour 30 minute time limit, and registration is online only.

Spartan Stadion in Philadelphia on August 29, 2026 features a stadium obstacle course with a 5 km race and 20 obstacles plus a kids race. The course runs through steep stairs and narrow concourses inside a South Philly sports arena.

A night trail run at Estero Llano Grande State Park with 5k, 10k and 10 mile looped courses plus youth and kids options. Medals for finishers, awards for top three overall per distance, two aid stations, and a cupless policy.

A weighted mountain climb on Mount Washington on August 29, 2026, offering 20 mile and 10 mile courses with substantial elevation gain; both divisions include a 20 lbs load and have separate ticket prices.

Run Like the Wind in Allenspark on August 29, 2026 features a 5K race, a 2K run/walk and a dog jog option. Proceeds benefit The Old Gallery and participating dogs are entered in an amateur dog show.

The Ouray 50 mile run in Ouray, Colorado is a high elevation mountain course with 23,582 feet of climb, mandatory volunteer service or a $100 opt out, live SPOT tracking, and drug tested cash prizes for top finishers.

An endurance challenge on a 1.1 mile loop with 140 ft elevation per lap in Cleveland's Rocky River Reservation. Entry is donation based and proceeds are intended to help cancer patients.

An hourly backyard format ultramarathon on a single 4.167 mile loop at Oak Mountain State Park with roughly 500 ft of climb and descent. The event is capped at 100 entries and provides limited aid at the start and finish.

Wiley Canyon Ultra in Lexington, Nebraska on August 29, 2026 features a roughly 35-mile out-and-back plus 10K and 5K on paved and gravel roads. The ultra is self-supported with aid stations about every 4 to 5 miles.

A steep 4.75 mile up and down run, hike, or walk on San Anselmo's Bald Hill that finishes downtown with live music and a t shirt. The third annual event benefits local nonprofits and includes town endorsement.

An inclusive trail festival at Northfield Mountain on August 29, 2026 that centers queer and trans runners and allies. It offers a 20k prediction race, an untimed 5k fun run or hike, and a Kid's Run with community-focused prizes.

A 50K trail ultra in Forest Park, Queens on August 29, 2026 featuring twelve 2.5 mile loops on the Orange Trail with about 300 feet of climb per loop. Aid stations follow each lap and an eight hour cutoff applies.

Trail races at Summit Bechtel Reserve in Oak Hill, WV include a 10K and half marathon on winding, technical summer trails. The event is part of a Spartan OCR festival weekend and uses gun time for results.

A scenic 10 km trail loop in Perkinsville Vermont that passes three dams and includes a low river crossing with a rope and lifeguard. Post-run refreshments and a nearby swimming hole are available at the finish.

Trail marathon and half marathon on scenic Kennedy State Forest routes with age and gender based staggered head starts, steep hills, aid stations every few miles, and a cupless hydration policy.

A mountain fundraiser in Stowe on August 30, 2026, featuring a 4.3 mile climb to Mt Mansfield for runners, hikers, and cyclists, plus a kids run, team options, donations, and event merchandise supporting the Catamount Trail Association.