Trail Running calendar near Williston 2025-2026

The Slate Valley Scramble, organized by Slate Valley Trails, is a trail running event taking place on August 9, 2025. Participants can choose between an 8k and a half marathon, both set on scenic singletrack and double-track trails in Vermont's Slate Valley. A Kid's Fun Run is also available for chi..

The Aliza Lapierre Fan Club Trail Race is an annual charity event organized by the Richmond Trail Running Club, celebrating community and outdoor exploration. Scheduled for August 16, 2025, the race features two challenging courses: a 50k route that includes 8 miles of road and 23 miles of rugged tr..

The Xterra Bromont will take place in Bromont from Saturday 23 August 2025 to Sunday 24 August 2025. You can run between 5 and 20 kilometers.

The Delta Dental Race To The Top Of Vermont is an annual event held every August, attracting hikers, bikers, and runners from across the U.S. and Canada to conquer Mt. Mansfield, the highest peak in Vermont.The challenging 4.3-mile course ascends the historic Mansfield Toll Road, featuring a steep e..

The Groton Forest Trail Run, organized by Central Vermont Runners, features a marathon, 25K, and 10K trail running events set in the scenic Boulder Beach State Park in Groton, Vermont. Scheduled for September 6, 2025, this event promises a challenging and enjoyable experience for runners of all leve..

The Kilkenny Ridge Race, taking place in Stark, New Hampshire, features a challenging course that follows the Kilkenny Ridge Trail. Participants can choose from three distances: 50 miles, 25 miles, and 25K, each offering significant elevation gains and rugged terrain. The race is designed for experi..

The TAM Trek is an annual trail race and fun run organized by the Middlebury Area Land Trust to support the Trail Around Middlebury (TAM). This scenic 19-mile loop encircles Middlebury, connecting various local landmarks and conserved properties. Participants can choose from multiple race options, i..

The Royal (multi) Mile Hill Run is a challenging 5K race held during the NH Highland Games & Festival in Lincoln, New Hampshire. Scheduled for September 21, 2025, the event features a course with an elevation gain of 800 feet, traversing dirt trails, service roads, and ski trails. Participants recei..

The Vermont 50 Ultra Run is an annual event held in West Windsor, Vermont, featuring a variety of races including a 50-mile ultra run, a 50K run, and several mountain biking options. Established in 1993, the event supports Vermont Adaptive Ski and Sports, promoting confidence and independence for in..

The Devil's Den Ultra is an exciting running event taking place in Bradford, Vermont, featuring a challenging 6.4-mile loop course on Wright's Mountain. Participants can choose from three race lengths: a 30-hour, a 12-hour, or a 6-mile race. The course offers a mix of terrain, including steep climbs..

The Trapp Lodge Mountain Marathon is a challenging trail running event held in the picturesque Green Mountains at the Trapp Family Lodge in Stowe, Vermont. Participants can choose between a half marathon and a full marathon, both of which feature a mix of winding single track and rugged dirt trails,..

Bromont Ultra is an annual trail running and mountain biking event held in Bromont, Quebec, designed to challenge participants while raising funds for various charitable causes. Since its inception in 2014, the event has successfully raised over $4 million for more than 20 different causes. Particip..

The Hills Are Alive Cross Country Race is set to take place at Arrowhead Golf Course in Milton, Vermont. This event features a 5K race on the scenic Laura’s Tears trail, welcoming runners aged 12 and older. Participants can pre-register online, with a fee of $15, and GMAA members receive a discount...

The Mount Ascutney Vertical Backyard is a unique "Last Person Standing" running event held in Brownsville, VT. Participants will ascend and descend 1,209 vertical feet each hour, with options for different lap lengths. The challenge continues until only one runner remains, with the goal of matching..

The Krampuslauf is an exciting running event held at the Dartmouth Skiway in Lyme, NH, featuring 5K, 10K, and a challenging 9-hour endurance race. Participants will navigate scenic mountain trails, starting at the ski lodge and tackling both Holt's and Winslow sides of the mountain. Runners can earn..