Trail Running Calendar United States 2025-2026

Run the scenic Dimple Dell Half Marathon in Sandy UT on Oct 10, 2026, on wood chipped single track through Dimple Dell canyon with a steep rim climb. Limited to 250 runners; aid stations, free photos, post race treats and finisher medal.

Run scenic single track along the American River Canyon in Auburn, CA with 50K, half marathon, or 5 mile routes. Celebrate afterward at Ponderosa Cider Co with a commemorative cider glass and post race pours.

The Last Wolf on Oct 10, 2026 in Kings Mountain NC is a Last Man Standing trail challenge with 50K, 25K and 5K options and unique finisher medals. Run repeating 3.1 mile gravel loops with rising time cutoffs and stocked aid stations.

Mad Meadows 50 in Leavenworth WA on October 10, 2026 offers 50M and 50K courses that climb above 7000 ft and wind through alpine meadows, larch stands and technical single track. Expect steep climbs, scenic ridgelines and a river finish.

Run the Midstate Massive Ultra Trail on October 10 to 11, 2026 across central New England, a UTMB Index point to point ultramarathon along the Midstate Trail. Choose 100 mile, 50 mile or 50K courses that wind through mountains, fields and r..

Run the scenic New River Trail in Max Meadows, VA with 100 mile and 50 mile options along mostly flat rails to trails riverside terrain. Expect river views, long trestles, camping, local food and a buckle for 100 mile finishers.

Hit the trails at the Timber Trails 5K Run/Walk on October 10, 2026 at Fitzgerald Park in Grand Ledge. This scenic, slightly hilly course over grass, gravel and wooded trails welcomes all ages and supports Eaton County trail development.

Tackle a rugged, fatass style adventure run along the scenic North Fork of the American River with 25 and 50 mile options. Expect big climbs, river trail views, and a self supported backcountry race experience.

Join the 39th Ruth Anderson Memorial Endurance Run in San Francisco on October 10, 2026. Run scenic loops around Lake Merced on a certified course with 50k and 50 mile options and aid stations for a memorable autumn ultramarathon.

Tackle a scenic 13.1 mile loop at Paris Mountain State Park with trails, climbs and waterfalls. Part of the Upstate Race Series, the race ends with a finisher medal and post race pancakes.

Enjoy a fall run, walk and roll through 125 acres of prairie, ponds and fall color at Zachariah's Acres in Oconomowoc. Choose 5K, half marathon or a family one mile loop while supporting nature based programs for children with special needs..

Run rustic trails on a 50 acre horse ranch at Bit of Hope Ranch on Saturday October 10, with a certified 5K, a 2K walk, and a Half Pint kids run. A virtual 5K option welcomes every pace and family fun.

Run the scenic Trailway at Lake Somerville with distances from a youth mile and 5K up to marathon and 50K, plus ruck divisions. Enjoy lakeshore views, shaded forest, mostly rolling terrain and a lively packet pickup tailgate the night befor..

Lace up for Scouting's Meecheway Color Run Vol. 3, a fun 5K on scenic trails in Defiance. All proceeds support Camp Lakota and local Scouting programs, with shirts, fresh donuts and awards for top finishers.

Run five hourly 5K loops for a cumulative 25K at Jockey's Ridge State Park, including a dune crossing and team relay options. Chip timing, finisher medal and a festival vibe with food, music and beach access make this a fun fall challenge.

Join the annual Heroes trail run and walk in Holland, Michigan on October 10, 2026 to support people impacted by cancer in West Michigan. Enjoy a community paced 5K run or 2K walk while honoring someone special and supporting Shields of Hop..

Join Run with Heart on Saturday October 10 in Urbana Ohio for a community 5K, 1 Mile fun run and virtual option starting at Depot Coffeehouse. Enjoy a scenic course on the Simon Kenton Bike Path plus postrace goodies and awards.

Tackle scenic looped trails at High Hope Ranch in Glen Rose with distances from 5K to 100K plus a kids fun run for a fun weekend of trail running. All finishers receive a shirt and medal and 100K finishers earn buckles, with camping availab..

Join the Dirty Spokes Off The Grid trail run at Chattahoochee Pointe Park in Suwanee on October 10, 2026 for smooth, flat and fast single and double track. Choose the 6.2 Mile or 3.1 Mile and chase a PR on scenic trails.

Join the inaugural Champion Mine Trail Race in Nevada City for a scenic half marathon or 5K through pines, along Deer Creek, and across a historic swinging bridge. Enjoy stocked aid stations and a locally made finisher medal.