Trail Running Calendar United States 2025-2026

The Riverbend Ultras 12 HR/50K is a community-focused ultrarunning event held at the River Pavilion on Picnic Island in Riverbend Park, Jupiter, Florida. Participants run on scenic gravel trails along the Loxahatchee River, including part of the Lake to Ocean Trail, surrounded by local wildlife such..

The Boulder Field 100 is a challenging trail running event held at Hickory Run State Park in Jim Thorpe, Pennsylvania. It offers three distances: 100K, 50K, and an 18-mile run/hike. The course features a figure-8 shaped 50K loop, with 100K runners completing two loops.Runners encounter about 4,000 f..

The Storybook Half Marathon is a friendly trail running event held in Roosevelt Forest, Stratford, Connecticut. The course consists of 1.64-mile loops repeated eight times, totaling the half marathon distance of 13.1 miles. Runners, joggers, hikers, and walkers are all welcome, with a four-hour time..

The Broken Cabin 10k is a trail running event held just outside Batavia, NY, on a privately owned trail system suitable for runners of all levels. This inaugural race aims to create a friendly, backyard race atmosphere that emphasizes fun and quality. The course offers a welcoming environment for pa..

The NCVRC Run for Hope will take place in Morrisville on Saturday 13 September 2025.

The Wahaneeta Trail Run is a 5K trail race held in Westerly, Rhode Island, located on Moorhouse Road. Scheduled for September 13, 2025, it is the first event in the WTAC Fall Trail Race Series, which includes four races with a discount for registering in multiple events. This race embraces an "old s..

The Jelm Mountain Run, held in Southeast Wyoming near Jelm Mountain, offers two challenging distances: a 10+ mile out-and-back course and a 50k race that covers the 10-mile route three times. The course features rugged jeep roads with over 2,000 feet of elevation gain, starting at 7,600 feet and cli..

The Ned Ned Half Marathon is a long-standing trail running event held in Nederland, Colorado, a picturesque mountain town at 8,236 feet elevation. Celebrating over 43 years, the race features a challenging 13.3-mile half marathon with 1,408 feet of elevation gain, traversing dirt roads and single-tr..

The 12 Hour Adventure Trail Run takes place at Prince William Forest Park near Triangle, Virginia. This challenging event features a 6.5-mile figure-eight loop course on 100% trail terrain, including single track and fire roads, with approximately 650 feet of elevation gain per loop. The course offe..

The Berkeley Trail Adventure is a scenic trail running event held in Berkeley, California, within Tilden Regional Park and Wildcat Canyon. It offers four race distances: 10K, half marathon, 35K, and 50K, featuring technical dirt trails, fire roads, and some asphalt sections. The course showcases sha..

The 7th Calvary Trail Run offers two scenic trail race options—a 4-mile and an 8-mile course—held at the Fort Meade Trailhead near Sturgis, South Dakota. Set in the beautiful Black Hills, the event features rugged, well-marked trails with wide-open views, ideal for both beginner and experienced trai..

The Mud Creek Crawl Trail Run is a popular event held at Pine Haven Recreation Area in Sanford, MI, featuring challenging trail courses through natural terrain, including turf, sand, mud, roots, and rocks. The race offers both 5K and 10K options, with distinct courses marked by different colored fla..

The Mellow Trail Race is a scenic trail running event held at Pace Bend Park in Spicewood, Texas, near Austin and San Antonio. Set along the shores of Lake Travis, the race offers a unique "lake party" atmosphere where runners can cool off in the water right after finishing. Distances include a mara..

The Mountain Lakes Trail Run & Walk in Princeton, NJ, is a scenic event held at the Billy Johnson Mountain Lakes Nature Preserve, benefiting the Friends of Princeton Open Space. It features a 5K+ trail run and a 3K walk, both starting from Community Park North Amphitheater. The trail run covers abou..

Run for the Hills is an annual 5K trail run and walk held at the Oswegatchie Hills Nature Preserve in Niantic, Connecticut. The event offers participants a scenic course around Clark Pond and along the preserve's perimeter, showcasing over 450 acres of coastal forest. Designed as a fundraiser, proce..

The Iron Will 100 in Junction City, Kansas, is a challenging ultramarathon event featuring multiple distances: 100 miles, 100K, 50 miles, 50K, and a 36-hour timed option. The course is a flat, fast river trail with approximately 75% shade, designed as out-and-back loops—ten for the 100-mile race and..

The Vineyard Vista 10k and 5k is a scenic running event held at Muse Vineyards in Woodstock, VA. Participants can enjoy a course that combines cross-country around vineyards, paved road sections, and trail segments through Seven Bends State Park. The event benefits Friends of Seven Bends State Park..

Trails 4 Tails in Hanover, PA, is a trail running event held at scenic Codorus State Park, featuring a 5.72-mile loop course around Lake Marburg with single track trails and shoreline views. The event offers three race distances: a 40-mile ultra consisting of seven loops with approximately 4,200 fee..

The 13th annual Blood, Sweat & Tears Run in Mount Gretna, PA, promises to be an exciting event featuring three scenic courses along the Lebanon Valley Rails to Trails. This timed event ensures safety with police support and volunteers. Participants can look forward to post-run festivities, including..

The Oak Flats Picnic Trails event, held in Tijeras, New Mexico within Cibola National Forest, offers a free, self-supported trail running experience suitable for all abilities, including dogs. Participants can choose distances from 5k to 30k by completing laps on two looped courses—a short 3.2-mile..