Trail Running calendar near Avon 2025-2026

We have found 73 Trailruns within 80 miles of Avon. See below where and when you can find the races.

SRC Presents: A Backyard Ultra takes place at Blydenburgh County Park in Hauppauge, NY on December 13–14, 2025. The event features two races: A Backyard Ultra, a true ultramarathon where runners must complete a 4.167-mile loop within an hour, repeatedly until only one runner remains; and The 1 Lappe..

March 2026

Located in Union, Connecticut, the Northern Nipmuck Trail Race is a 16-mile ultramarathon staged just outside Bigelow Hollow State Park. The course runs south on the Nipmuck Trail through the Yale-Myers Forest, crosses Barlow Mill Rd at mile 4, then reaches a turnaround at Boston Hollow before retra..

Sleeping Giant Trail Runs, hosted by Steep Endurance at Sleeping Giant State Park in Hamden, CT, offers challenging 25K and 50K trail races through Connecticut’s iconic park. The 25K loop features more than 3,000 feet of vertical gain across rocky and rolling singletrack via Yellow, Chestnut, White,..

April 2026

Run Across CT is a coast-to-coast ultramarathon across Connecticut, starting in East Thompson and finishing at the Wakeman Boys & Girls Club in Southport. The course covers 123 miles and is offered as Solo 100k or Solo/Relay 200k (3–6 person teams). Runners traverse 25 towns, with about 57 miles on..

Big Bear Squatch North is a challenging trail running event held at Harriman State Park in Bear Mountain, New York. Featuring a half marathon and 10K races, including a new rucking division with lightweight (15 lbs) and heavyweight (30 lbs) pack categories, the event showcases rugged, technical moun..

John Jay Community Trail Race is a community running event in Cross River, New York, on the John Jay Community Cross Country Trail. The event features a 5k Trail Race, a 4k Jay Walk, and a Kids Jay Dash, a 200-meter race. The 5k winds through wooded, rolling terrain starting on the John Jay Campus l..

Leatherman's Loop is a popular 10K trail race held annually in the spring at Ward Pound Ridge Reservation in Cross River, New York. The event attracts runners aged 7 to 107 and features a scenic course through natural trails. Due to high demand, entry is determined by a lottery system.The registrati..

Jack Bristol Lake Waramaug Ultra Races run around Lake Waramaug in Kent, Connecticut, offering 100K, 50M, and 50K. One of the oldest ultras in the United States, it marks its 52nd anniversary in 2026 as part of the Mount to Coast 100K Series. The rolling, mostly flat course uses paved roads around t..

May 2026

Breakneck Point Trail Runs in Beacon, New York, is hosted by Red Newt Racing and offers two distances: 21K and 42K, with steep elevation gains (about 4,800 ft and 9,000 ft, respectively). The course blends jeep trails, single-track, historic estate paths, and technical pitches, including the signatu..

Trail Animals Running Club's Wapack and Back takes place in Ashburnham, Massachusetts, along the Wapack Trail from Mount Watatic to North Pack Mountain in Greenfield, NH. Runners choose among 21.5-, 43-, and 50-mile ultramarathons. The course features rocky ledges, boulder fields, granite slabs, and..

Run The Farm is a series of trail races held at Muscoot Farm in Katonah/Somers, NY (51 Route 100, Katonah, NY 10536). The event includes a 5 mile trail race and two age-group kids races (one for ages 7-12 and one for ages 2-6). The spring race is scheduled for May 17, 2026 and the fall race for Oct..

June 2026

The Nipmuck South Trail Race is a 15.7-mile out-and-back trail run held in Mansfield, Connecticut, starting at Mansfield Hollow State Park. The course follows the scenic Nipmuck Trail alongside the Fenton River, featuring varied terrain including small bridge crossings, a climb to a 50-foot cliff, f..

Manitou’s Revenge is a challenging 53-mile ultramarathon held in the Catskill Mountains, starting in Windham, NY, and finishing in downtown Phoenicia. The course follows the northern Black Dome Trail and the Long Path from Acra Point, featuring approximately 15,000 feet of rugged, rocky, and steep c..