Trail Running Calendar United States 2025-2026

The Grace St. Park Ultramarathon is a 12-hour endurance race held on a 2-mile trail loop in Greenwood, South Carolina. Runners aim to complete as many laps as possible within the time limit, with the male and female leaders determined by the most laps (ties broken by faster time).The course blends r..

The Chino Hills Trail Run Series, held at Chino Hills State Park in Brea, California, offers challenging trail races in scenic natural surroundings. The fall event features 30K and 50K distances, with well-marked courses that traverse hilly terrain and showcase native plants and wildlife. Aid statio..

The Ripon Turkey Trail Run is a community-focused running event held in Ripon, California, at Mavis Stouffer Park along the Stanislaus River Trail. Scheduled for November 15, 2025, the race offers three distance options: 5K, 10K, and a half marathon (13.1 miles). Participants receive a custom techni..

The St. Joe Valley Happy Trail Run takes place at St. Patrick's County Park in South Bend, Indiana.This event offers multiple distances including a 1-mile fun run, 5k, 10k, and a half marathon, all on beginner-friendly trails with beautiful scenery. The course features loops: 5k is one loop, 10k two..

The 4 Mile Hill Challenge is a rolling, all-trail race held at Debs Park in Los Angeles, with the Audubon Center at Debs Park serving as the start and finish. The event features a 4-mile run/walk/hike and a Run4Paws (Love Your Pet) division, making it pet-friendly. The course starts at Griffin Avenu..

Battle to the Pacific is a running event held at Fort Stevens State Park near Hammond, Oregon, along the scenic Oregon coast. The race features multiple distances including a 5K, 1/4 marathon, 1/2 marathon, and a unique 12-mile Ruck Challenge, which involves carrying a 35-pound pack. The course is m..

The Community "Run at the Rock" 5K Trail Run takes place at Woodland High School in Cartersville, Georgia. This event features a challenging 5K course known for its mix of grass and rugged trails, highlighted by a steep 90-foot ascent called "The Rock" during the second mile. The race tests runners'..

Fast Bananas Trail Race at Serenbe takes place in Serenbe Community at 11090 Serenbe Ln, Palmetto, Georgia. The event offers three courses: 5K, 10K, and a kids’ 1-mile Mado Mile (ages 5–12). Parents may accompany children on the Mado Mile but won’t receive medals.The race emphasizes a banana-themed..

Run The Ritter is a trail running event held in Lakeville, Minnesota, featuring 3-mile, 5-mile, and 10-mile distance options, along with a Canicross division for runners with dogs. The course consists of a 5-mile loop with rolling hills, a mix of wide off-road trails, some gravel road sections, and..

Cathedral Caverns Trail Run is a RunningLane Events trail race held at Cathedral Caverns State Park in Woodville, Alabama. The course offers 5K and 15K distances, each capped at 300 runners. Runners start in a valley with views of mountains and fields, then traverse single-track trails; the last 1.2..

Cohutta Madness is an ultramarathon event held near Conausaga Lake in Chatsworth, Georgia, featuring timed loop races of 4, 8, and 12 hours. Participants run around Lake Conausaga, the highest lake in Georgia, on mostly flat trails surrounded by scenic rhododendron, hemlocks, and soft pine straw for..

4 Fore 30 Infinity Backyard Ultra, held in Macks Creek, Missouri, is a Last Man Standing ultramarathon following the Backyard Ultra format. Runners cover a 4.1667-mile loop (6.7056 km) every hour, with the field shrinking as each loop is completed. The course is a loop or out-and-back and must be fi..

Tierra Redonda Mountain Trail Run takes place at Smith Ranch in Bradley, California, on November 14–16, 2025. The event offers 48-hour, 24-hour, and 20K, 10K, and 5K races on a 100% dirt, single-track loop course across 5km and 10km routes, with the longer formats using repeated 10km loops. Expect v..

NJ Trail Series SOMO Winter 1 is a trail running event held in South Orange, New Jersey, at South Mountain Reservation, with distances of 5K, 10K, and 13.1 miles on a looped course. The route blends fire roads, single-track, hills, and some pavement, offering a mix of terrain. Runners complete 1 loo..

Run Of The Mill 5/10-miler walk/run trail runraiser takes place at Brandywine Creek State Park in Wilmington, Delaware (Hawk Watch Parking Lot, 41 Adams Dam Road, 19807). Participants choose a 5-mile or 10-mile marked course through Delaware’s rugged cross-country terrain, described as Delaware’s to..

Red, White and Run 5K is a 5K trail run and walk held in Lackawaxen, Pennsylvania, at Veteran's Memorial Park (109 Scenic Drive, Lackawaxen, PA 18435). The course is a trail route designed for both runners and walkers. Special features include awards for the top three male and female finishers, plus..

Save the Manatee 5K is a running and walking event in Orange City, Florida, at Blue Spring State Park, the winter home of the manatee. The 5K Run/Walk follows the flat, scenic Spring-to-Spring Trail along the park, with park admission included. The event also offers virtual 5K options for domestic o..

Mission Tejas Trail Run returns to Mission Tejas State Park in Grapeland, Texas on November 15, 2025. The event offers 5K, 10K, 25K, and 50K distances, run on two 5K loops that meet at the Start/Finish aid station. The course features a mix of straw pine-dotted single-track, rolling downhills, and C..

The Dirty Duel Trail Race, held at Robinette’s Trails in Grand Rapids, Michigan, is a challenging and unique 5K event offering two course options: the Short & Brutal (3.1 miles) featuring steep climbs, roots, and off-trail running, and the Long & Difficult (3.4 miles) with more mileage, twists, and..

NSRF Long Island Turkey Trail Trot 5K is a family-friendly trail run/walk held at Bethpage State Park, Polo Field in Bethpage, NY. The 5K course takes participants through scenic, grassy polo-field starts into winding soft trails with mostly flat terrain and a few small hills, offering a beginner-fr..