Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4033 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

GRC Cross Country Daniel Boone 5K is in Winchester, KY on September 5, 2026, with a down and back course from Lincoln and East Hickman to the country club. Entry fee is $30 and shirt registration is available until August 22.

A looped endurance event in Birmingham's Railroad Park where runners repeat an approximately 0.78 mile circuit with progressively shorter cutoffs until they stop or miss a cutoff. Awards go to the last three men and women and a portion of f..

A memorial stair-climb in San Diego to honor the 403 emergency responders lost on September 11, 2001, raising funds for FirefighterAid with a 2026 goal of $120,000.

An untimed adventure run in the Loess Hills at Glenwood Lake Park on September 5, 2026, featuring switchback trails, wooded sections, creek crossings and natural obstacles. Finishers receive a "Conqueror of the Loess" medallion.

An ultramarathon along the Pinellas Trail covering just over 46 miles in an out and back format between St. Petersburg, Tarpon Springs and Dunedin. Registration closes Sep 2 and a Facebook group is listed for updates.

A women only back yard ultra on a 4.167 mile loop run every hour on the hour in Phoenix NY. Forest trails, open field sections and night running combine with common ultra distance milestones and proceeds benefiting local women's shelters.

Community-focused trail event at Boling Park featuring a roughly 5K trail run, a kids one mile fun run, live music and food trucks.

A four-part community trail series with three morning gatherings and a final sunset event in Marietta and Lancaster County. Participants choose their own distance, share food and hydration, and may register per event or buy a multi event pa..

The inaugural Todd Peverill Cross Country Festival brings middle school, high school, elite and kids races to Glenwood Lake Park on September 5, 2026, with limited team and elite entries and medals plus gift card awards for top finishers.

Trail Grinder in Atlanta, TX on September 5, 2026 offers 5k, 10k and 30k trail races on single-track through the piney woods, with proceeds supporting research into Superficial Siderosis.

A six hour trail endurance event where runners complete a 5K every hour to remain in competition, with patches and a premium medal for finishers, local prizes, and national leaderboard placement.

Experience the inaugural Colby Mountain Trailfest in Butte Meadows featuring scenic 5k 12k and 24k courses. Support local trail maintenance and search and rescue efforts while exploring the newest trail systems in Northern California.

A community 3 mile fun run in Norwalk on September 5, 2026, organized by Cerritos High School alumni to support the school and honor local Dairy Valley history. In-person and virtual options are available.

A backyard ultra at Lake Rebecca on September 5, 2026, where runners repeat a *4.167-mile* loop each hour until they cannot finish within the hour. The course mixes gravel, asphalt, and trail and includes a sauna and swim option.

River Falls in Bend Oregon features 5K and 10K trail races along the Deschutes River and the Central Oregon Historic Canal Trail, beginning and ending at Riverbend Park with finisher medals and awards for top placers.

A community trail run in Exeland, Wisconsin supporting the Siri Strong Foundation’s scholarships and youth programs. Distances include a 5K and a 1 mile kids fun run, with age-group awards and top overall medals.

A 5K trail loop at Rolling Meadows Farm on September 5, 2026, running along the Sangamon River and near the historic Sangamo Town site. Registration runs from June 9 to August 23, with a $35 fee.

The Long Watch is a 6 hour, 12 hour and 24 hour loop endurance event at Donald Farm in Woodland, Washington, held alongside the Warrior Expo, with a manned aid station and a one mile loop past competition and vendor areas.

Timed 3 hour, 6 hour and 12 hour events on a flat paved 8.34 mile out and back on the Thermal Belt Rail Trail in Forest City NC. Aid stations and awards include a 50 mile belt buckle for 12 hour finishers.

Trail races at Mammoth Bar OHV Area in Auburn State Recreation Area on September 6, 2026. Options include a 13.1 mile half marathon and a 6.2 mile 10K, each with notable elevation gain and staffed aid stations.

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