Trail Running Calendar United States 2026-2027

A loop trail race around Angel Island near Tiburon offering a 10K single loop and a half marathon that repeats the loop. The course has panoramic Bay Area views, a 400 runner limit, and a mandatory ferry to the island.

Experience the Oregon Coast with hilly trail runs at Sunset Bay State Park. Choose from four distances featuring cliffside ocean views, wooded paths, and beach sections in this RRCA sanctioned event.

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.

Stadion-format obstacle racing at a South Philly stadium on August 29, 2026, featuring a 5 km course with 20 obstacles, a kids race, team entry options, volunteer opportunities, and service member discounts.

A night trail run at Estero Llano Grande State Park with 5k, 10k and 10 mile looped courses, youth options, two aid stations, medals for all finishers and overall awards for top three male and female.

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.

Endurance race on one of Cleveland's steepest hills where runners complete as many laps as possible within 1, 3, 6, or 12 hour limits. All registrations and donations go directly to cancer patients through the Nelson Family Foundation.

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.

The Tomahawk Trail Endurance Challenge will take place in Oneonta on Saturday 29 August 2026.

A trail race at Oakes Quarry Park in Fairborn, Ohio on August 29, 2026. The 15K covers 9.3 Miles, has a $45 entry fee, offers awards for overall winners, and includes a finisher medal for all participants.

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 10 km race at Power Dam Recreation Area in Perkinsville, VT on August 30, 2026, part of the Western NH Trail Running Series. Online registration closes August 28, 2026; youth entries are free and age-based fees apply.

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.

A community running event at Albemarle CiderWorks on August 30, 2026 offering 5K and 10K courses plus virtual entries. The course is listed as new for 2025 and cider will be available after the race.