Trail Running Calendar United States 2026-2027

Community 5K run and 3K walk at America the Beautiful Park in Colorado Springs raising funds for Sue's Gift to support people affected by gynecologic cancers, with in-person and remote fundraising options and tiered incentives.

Muddy Princess Boston is a women-focused 5K obstacle mud run at Kimball Farm in Haverhill, MA on June 21, 2026. The event features muddy obstacles, hydration and rinse stations, participant items and a partnership with the National Breast C..

A timed charity tower climb at Empire State Plaza in Albany that reaches the 42nd floor with 809 steps. Water stations, bailout floors and medics are provided; registered participants receive a t shirt and finisher's medal.

A multi-race trail weekend in Mammoth Lakes with marked courses, aid stations, chip timing, drop-bag services, and prize money. Runners should expect high‑altitude terrain, specific gear recommendations, and cup-less, low-waste race operati..

Mainly Marathons holds Day 6 of the Northwest Series at Hell's Gate State Park in Lewiston, ID on September 24, 2026. Races include 5K, 10K, half marathon, marathon and 50K with published entry fees and no time limits.

A 100 mile point-to-point ultramarathon on September 25, 2026, from Logan, Utah to Bear Lake, crossing the Wasatch-Cache National Forest and the Bear River Range. Entry required a race qualifier and eight hours of service.

Rocky Mountain Slam in Logan, UT on September 25, 2026 is the current edition of a multi race series that requires completion of four races including the mandatory Bear 100. The series includes a selection of Rocky Mountain 100 mile races.

A point to point ultra on Nebraska’s Cowboy Trail offering 200 mile and 100 mile options on a mostly crushed limestone, runnable and flat rail trail served by multiple stocked and unmanned aid stations.

Experience the wild spaces of Northern Colorado with a weekend of trail races ranging from a half marathon to a 50 mile ultra through scenic forests and scout camp trails. Stay on site with available camping and community meals.

Echo 136 in Whitewater, WI is a 136 mile trail ultramarathon on the Ice Age State Trail with a 55 hour cutoff and 10 aid stations. The event lists about 11,148 ft of ascent and is organized by TYDISH Running.

A three day mountain race weekend at Arizona Snowbowl near Flagstaff featuring a steep Agassiz Hill Climb, race distances up to 50 miles, and fixed time 6 hour and 12 hour loop options that climb toward 11,510 feet.

A two day festival in Shawnee Ohio on the Buckeye Trail featuring a Half Marathon, 10K, 5K, a 10 Mile Hike and a backpacking workshop. Events occur on mostly single track trail within the Wayne National Forest.

A trail ruck march in Mt. Gretna, PA on September 25, 2026 with 4 mile and 8 mile adult and junior categories. Prize awards are based on weighted ruck participation.

A fall weekend of trail running and camping in the Sawtooth Backcountry, staged from Foggy Dew Campground with guided routes, glamp style camp amenities, shuttles, and three distance options.

A multi-day trail running retreat in Zion National Park from September 25 to September 28, 2026. Includes hotel, van transport, park fees and lunches, and is limited to 22 participants.

A 5K trail run on Bella Rose Vineyard grounds in Lewiston with a stemless wine glass and complimentary wine tasting for participants 21 or older. The event features professional timing, finish line photos, music, and on site parking.

Trail trail races at Freedom Hills Ministries on September 25, 2026 include 10K and 5K distances with chip timing and a 1 mile kids run. Medals for all finishers, age-group prizes, food and drinks; a 12-run challenge follows on September 26..

An urban event in downtown Los Angeles with a stair climb up 1,664 steps at the U.S. Bank Tower, an Urban Hike past major cultural sites, a Heroes Challenge category, and a virtual participation option.

The Trail Quest Challenge will take place in Naubinway from Friday 25 September 2026 to Sunday 27 September 2026.

The Kingsbury Cougar Mudder will take place in Oxford Township on Friday 25 September 2026. You can run 5 kilometers.