Trail Running calendar near Chelsea 2025-2026

The Whiteface Mountain Races, held at Whiteface Mountain Ski Resort in Wilmington, NY, are among the most challenging mountain running events in the U.S., featuring exceptional vertical gain and loss per mile. The main race, the Marshak Mountain Race, offers a 10K loop with about 3,800 feet of eleva..

The Spaulding Woods 50K is a challenging trail race held in Northfield, New Hampshire, featuring a technical 5.6-mile loop with rocks, roots, and footbridges. Runners complete six laps totaling approximately 34 miles with 4,400 feet of elevation gain, primarily on singletrack trails. The event suppo..

The Loon Mountain Race is a challenging mountain trail event held in Lincoln, New Hampshire, covering approximately 6.03 miles with a 3,066-foot elevation gain. The race ascends the slopes of Loon Mountain, featuring diverse terrain such as trails, grass ski slopes, and cat tracks. Notable for its s..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 15 July 2025. You can run between 5 and 5 kilometers.

The Vermont 100 Endurance Race, held annually in July in Vermont, is one of America's oldest 100-mile ultramarathons and part of the Grand Slam of Ultrarunning. The challenging course features 17,000 feet of climbing over country roads, forested trails, and scenic views of the southern Green Mountai..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 22 July 2025. You can run between 5 and 5 kilometers.

The Moosalamoo Ultra is a popular trail running event held in Goshen, Vermont, starting and finishing at the scenic Blueberry Hill Inn. It offers two race distances: a challenging 36-mile ultra with over 5,000 feet of elevation gain, and a 14-mile "Heavy Half" featuring about 2,400 feet of climbing...

The Magnificent Bastards Challenge, held in Corinth, Vermont, is a grueling endurance event honoring fallen Marines. It features a Last Man Standing race with 1-mile loops that include 300 feet of climbing, each to be completed within 20 minutes, repeated until only one runner remains. A special fas..

The Baldface Scramble is a challenging trail running event held in Chatham, New Hampshire, within the White Mountain National Forest. It offers two course options: a 14K single loop over the Baldfaces and a more demanding 29K race featuring two loops that include the Baldfaces and a summit of Mount..

The Barre Heritage Trail 5K is a scenic trail race held in Websterville, Vermont, through the historic Barre Granite Quarries. The course features primarily single-track trails with wooded, rocky terrain and many roots, offering a challenging and natural running experience. Walkers are welcome to pa..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 29 July 2025. You can run between 5 and 5 kilometers.

The Ragged 75 Stage Race and 50K is a challenging trail running event held in Danbury, New Hampshire, centered around the scenic SRKG Greenway near Lake Sunapee. The 75-mile stage race spans three days, featuring steep climbs and technical single-track trails with about 15,500 feet of elevation gain..

The Nagdeo Lodge 15K Twilight Trail Run & Revelry is a scenic trail running event held in Chelsea, Vermont. Covering a distance of 15 kilometers, the race offers participants a unique twilight experience through natural terrain. The course is set around the Nagdeo Lodge area, providing runners with..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 5 August 2025. You can run between 5 and 5 kilometers.

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..

Lover's Lane in Chester, Vermont, is a unique 6- or 12-hour timed running event held on a challenging 1.8-mile loop featuring 280 feet of elevation gain and loss. The course combines single-track, double-track, and jeep trails, offering a fun and engaging experience for runners of all levels. The ev..

The Lake Placid Trail Challenge, held at Mt. Van Hoevenberg in Lake Placid, NY, offers trail running races of 10K, half marathon (21K), and 50K distances. Set in a historic winter sports complex that hosted the 1980 Winter Olympics, the course features single-track, steep, and flowy trails through d..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 12 August 2025. You can run between 5 and 5 kilometers.

The Jigger Johnson Ultras is a challenging trail running event held in the White Mountain National Forest, starting and finishing in Waterville Valley, New Hampshire. It offers three race distances: 100 miles, 50 miles, and 20 miles, each featuring rugged, technical mountain terrain with significant..

The GTA Challenge will take place in Greenfield on Saturday 16 August 2025.