Trail Running calendar near Danbury 2025-2026

We have found 68 Trailruns within 80 miles of Danbury. See below where and when you can find the races.

The ACT Trail Fest, held in Arundel, Maine, is an annual trail running event featuring 5k, 10k, and half marathon distances. Set on the scenic Arundel Community Trails and Eastern Trail, the courses offer beautiful woodland and stream views. The race starts and finishes at the Arundel Municipal Buil..

The Hooksett Kiwanis 5K Trail Race is an exciting running event taking place in Hooksett, NH, featuring a 5K race for all runners and walkers, as well as a Kid's Fun Run for children aged 12 and under. The race begins at Heads Pond trail and follows a scenic route through wooded conservation areas,..

The Bear Brook Trail Races, held in Allenstown, New Hampshire, showcase the scenic beauty of Bear Brook State Park with its single-track trails, steep hills, and blueberry fields. The event offers three distances: a 10K following "Mindy's Loop," a Half Marathon, and a Marathon, with marathoners runn..

The Kilkenny Ridge Race is a challenging trail running event held in Stark, New Hampshire, within the White Mountain National Forest. It offers three distances: 50 miles, 25 miles, and 25 kilometers, all following the rugged Kilkenny Ridge Trail. The course features approximately 7,500 feet of eleva..

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 endurance event held at Ascutney Outdoors in West Windsor, Vermont, typically on the last weekend of September. Established in 1993, it features a challenging and scenic course through Vermont's landscape, offering a 50-mile ultra run and a 50K race. The event i..

Run for Nature in Lowell, MA, is a community-focused running event held at Shedd Park, featuring a 10K trail run, a 5K run/walk, and a 1-mile Kids Fun Run/Walk. The course winds through scenic trails in Shedd Park and Rogers Fort Hill Park, including a stretch along the Concord River Greenway, with..

The Pleasant Mountain Race, held in Bridgton, Maine, is a challenging 21k trail run featuring technical single-track trails and scenic views along Pleasant Mountain’s iconic ridge. The course includes significant elevation gains, with a steep 1700-foot climb over 2 miles up Bald Peak, followed by a..

October 2025

The Bobcat Ridge 25k is a trail running event held at the Edwin L. Smith Preserve in Kennebunkport, Maine. This 25-kilometer race takes participants through scenic trails within the preserve, offering a challenging and beautiful outdoor experience.The event supports the Kennebunkport Conservation Tr..

Bubba's Backyard Ultra is an endurance running event held in Center Conway, New Hampshire, at 564 Stark Rd. The race features a Last Person Standing format where participants run a 3.5-mile loop consisting mainly of forest singletrack, with sections of snowmobile trails, fields, and logging roads, i..

The Little Duck 50k is a trail running event held in Windham, Maine, at the scenic East Windham Conservation Area. Scheduled for October 5, 2025, it offers two race distances: a challenging 50k ultra-marathon consisting of five 6.5-mile loops with nearly 1,000 feet of elevation gain per loop, and a..

Trust Trail Fest, held at the Kennebunkport Conservation Trust headquarters in Kennebunkport, Maine, offers participants a choice between a 5k walk/run and a 10k run through scenic forest trails. The courses feature natural terrain with rocks, roots, and occasional mud, providing a challenging and i..

The Groton Town Forest Trail Races, organized by the Squannacook River Runners and Groton Trails Committee, feature two scenic courses of 9.5 miles and 3.4 miles through the picturesque Groton Town Forest. The trails are well-marked and consist of narrow dirt roads and winding paths, presenting a mi..

Devil's Den Ultra is a challenging trail running event held in Bradford, Vermont, featuring a rugged 10K loop on Wright's Mountain. The course offers a mix of terrain, including steep climbs, rocky and rooty sections, and a scenic downhill through the woods. Runners can choose from three race option..

The Midstate Massive Ultra Trail is a challenging point-to-point ultra running event held in New Ipswich, New Hampshire, traversing the Appalachian Midstate Trail through central Massachusetts and crossing into New Hampshire, Rhode Island, and Connecticut. Scheduled for October 11-12, 2025, the race..

UTMB Index

The Ghost Train Trail Races, held in Brookline, New Hampshire, is the state's original 30-hour ultramarathon event along the historic Granite Town Rail Trail. Participants can choose from multiple race options including a 30-hour ultramarathon, a 30-hour 7-person relay, a 30-mile haunted night race,..

The Trapp Lodge Mountain Marathon is a challenging trail running event held at the scenic Trapp Family Lodge in Stowe, Vermont, nestled in the Green Mountains. Offering both half and full marathon distances, the race features a 13.1-mile loop with approximately 2/3 double track and dirt roads and 1/..

The Randolph Ramble is a challenging 10-kilometer trail race set in the scenic Great North Woods of Randolph, New Hampshire, located at the base of the Northern Presidentials. This self-supported race emphasizes participants' self-sufficiency, as there are no aid stations along the course. Runners a..

November 2025

The Blackout 5k/10k is an exciting mountain race held at Cranmore Resort in North Conway, New Hampshire. This nighttime event features 5K and 10K distances run on a course combining access roads and ski trails, marked with reflective flagging and LED lanterns to guide participants. Headlamps are man..