Trail Running Calendar United States 2026-2027

Trail races in St. Croix Falls WI on August 29, 2026 offering Marathon, Half Marathon and 10K on mixed single track, gravel and paved trails from the Polk County Information Center. Field limited to 150; registration runs Nov 28, 2025 to Au..

A trail race weekend in Waterville Valley NH with a 50K ultra, 23K, 4 mile and 1 mile family fun run. Courses use single and double track, have cup less aid stations, and include finisher awards and podium prizes.

A trail event at Kansas Maze in Buhler, Kansas that sends runners through over 20 acres of sunflowers. Offers 5K and 1 mile options on August 29, 2026 with finisher shirts, medals, and on site festival perks.

A family-friendly 5K mud run on August 29, 2026 at Budds Creek Motocross Park featuring obstacles, mud pits, a pre event warm up, and an after party with music and food. Value and VIP registration options are available.

Trail races at Huddart Park, King's Mountain and Bear Gulch offer measured distances from a 50 yard kids dash to a 50K, with fees listed per distance and registration opening November 11, 2025.

Trail races held from the Torian Plum Lawn in Steamboat Springs offering 50k, 16 mile and 5 mile options across high alpine terrain with cupless aid stations, limited crew access, and awards including finisher mugs and age group prizes.

TANRI Lake Race 2026 at YMCA Sequoia Lake offers relay, 10K, and a 10-hour individual event on a looped course at about 6,000 feet, with prizes, a Tanri hat, and a Saturday dinner included with registration.

Trail races at Scott County Park near Long Grove, IA on August 29, 2026 offer 50K, 10 mile and 5 mile options on a multi loop course with stocked aid stations and a no refund registration policy.

A community run on Table Rock Trail near Boise that follows an approximately 3.8 mile round trip course with 900 feet of climb. Proceeds support scholarships for Idaho students and the LESS Society mission.

Trail runs and walks on August 29 2026 at Phillips Creek State Forest offering 5K, 10K, and a newly added 25K over varied forest trails with creek crossings, mud, and rolling terrain.

Trail races at the Lewis and Clark Trailhead near St Charles include a 13.1 miles half plus separate 8 miles and 5 miles loops. Aid stations offer water and Tailwind and each runner receives a reusable cup at packet pickup.

Dirt Circus Los Angeles is a one day community run and festival on August 29, 2026 at A Snail's Pace Running Shop in Chino Hills. The event features a social group run on nearby trails, an expo with brand booths, and a raffle.

A backyard ultra in Bussey, Iowa where runners complete repeated 4.167 mile laps each hour under a 12 hour cap; the last runner to complete one more lap than others is the winner. The course is trail-based and starts and finishes at the bar..

Trail races at Mt. Airy Forest in Cincinnati include 5K, 10K, a 13.1 Miles half marathon and 30K. Finishers get medals, half marathon and 30K include shirts, and the event awards series points across the ATR season.

A community trail event at the Arapahoe County Fairgrounds on 08/29/2026 with a 5K run, a family 5K walk that allows leashed dogs, and a kids 1 mile plus demonstrations, vendors, and a pancake breakfast.

A muddy mix of cross country running and obstacles in Lewiston on August 29, 2026. The event can be run competitively or enjoyed as a casual mud run and includes a Mini-Mudder for children 10 and under.

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.

A multi event ultramarathon in West Greenwich, Rhode Island featuring a repeated 10 mile loop with desert, pavement and trail sections. Chip timed events include aid stations, a finisher sweatshirt and a buckle for 100 mile finishers.

A hilly loop race around Angel Island on August 29, 2026 offering a Half Marathon and a 10K, with ferry access included in entry prices. The field is limited to 400 participants and headphones are prohibited for safety.

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.