Trail Running calendar near Simsbury 2025-2026

We have found 69 Trailruns within 80 miles of Simsbury. See below where and when you can find the races.

Join a friendly, informal 5 to 10k run or snowshoe on a roughly 10k course with loaner snowshoes available. Bring a spare pair to share, enjoy light refreshments, and team up for bragging rights and a shared baked treat.

February 2026

Join the Frozen Heart 900, a free grassroots winter loop in Rockfall CT where runners take on a 15 hour challenge around a 2.2 mile trail loop. Self supported format with a heated meeting room for warming, so bring headlamps and carpool.

March 2026

Run or walk a chip timed 5k through scenic vineyard trails at Osprey’s Dominion Vineyards in Peconic, NY. Finish with a finisher medal that doubles as a wine stopper, a keepsake wine glass and a post race pour for eligible participants.

Test your trail skills on the Northern Nipmuck Trail Race, a rugged 16 mile out and back through Yale Myers Forest and Boston Hollow with technical terrain and serious climbing. Limited to 100 entrants, proceeds support local trails.

Tackle rugged singletrack and steep rock scrambles at the Sleeping Giant Trail Runs in Hamden CT on March 29, 2026. Choose a challenging 25K loop or a double 50K and enjoy aid stations, medals and post race food and drinks.

April 2026

Tackle technical, rugged trails and steep climbs at Big Bear Squatch North in Bear Mountain NY on April 4, 2026. Choose a challenging 10K or a grueling half marathon, with proceeds supporting the New York New Jersey Trail Conference.

Join CT123 on April 4, 2026, a point to point 123 mile ultramarathon across Connecticut that blends trails and backroads for a challenging spring adventure. Solo and relay entries welcome and 200K finishers earn a commemorative belt buckle.

Run a scenic quarter marathon at West Hartford Reservoir on April 11, 2026, as the Hartford Track Club hosts a small, timed field limited to 150 runners. Enjoy chip timing, post race treats and a friendly, looped trail course.

Join Run for the Rescue on April 11, 2026 for a scenic 5K through Blydenburgh County Park with on site and virtual options. Tackle varied trails, enjoy post race refreshments, and support Last Chance Animal Rescue.

Join the John Jay Community Trail Race in Cross River NY on Sunday April 12, 2026 for a family friendly outing with a 5k, 4k Jay Walk and a 200 meter Kids Dash. Race on scenic wooded, hilly school trails and finish at the track.

Run a scenic all terrain 5K through Stamford Museum and Nature Center, looping Bendel Pond and passing farm animals. Bring kids for a fun run with Petunia the Scottish Highland cow and support the museum.

Run the Traprock 50 at Penwood State Park in Bloomfield CT on Apr 18, 2026, choosing 50K or 17K looped courses over technical single track and rocky terrain. Chip timing, cupless aid, and proceeds support local conservation.

Join the final Conquer The Trail Race on April 18 in Dobbs Ferry for a scenic 7.5 km on the Croton Aqueduct Trail supporting Mercy University's Mav Market. Mostly flat trail with natural obstacles, raffles and shirts for early registrants.

Run the Brooklyn Cider House Spiked Apple 5k in New Paltz on April 19, 2026 for a chip timed 5K through cider country. Enjoy a homemade cider donut, a pour of cider and a finisher medal that doubles as a bottle opener.

Join the Lake Mohegan Women’s Trail Race at Lake Mohegan in Fairfield CT for 5K, 10K or a 4 hour loop challenge open to women and non binary runners. Enjoy scenic trails, finisher medals, post race snacks and a welcoming community vibe.

Run the 52nd Jack Bristol Lake Waramaug Ultra Races on April 26, 2026 in Kent CT with 100K, 50 mile and 50K options around scenic Lake Waramaug. Flat rolling loops, four aid stations and finisher swag make this a rewarding spring ultra.

Enjoy a spring 10k trail race in Cross River, NY on April 26, 2026, winding through scenic park trails. Entry is by lottery with registration opening January 2, 2026, perfect for trail runners seeking a well organized challenge.

May 2026

Tackle a rugged 12 mile out and back along the Holyoke Range ridgecrest, featuring over 3,500 ft of climbing. Technical singletrack, exposed ledges, and steep rocky sections promise a bold mountain trail experience for adventurous runners.

Join A Run to Remember on May 2 in Red Hook and run or walk scenic farm trails through meadows, orchards, and woods at Greig Farm. Honor loved ones, celebrate community spirit, and vie for cash prizes in the 5K and 10K races.

Take on Breakneck Point on May 3, 2026 in Beacon, NY with a rugged half or full ultramarathon featuring huge elevation and technical single track. Expect steep exposed climbs, aid stations, and a finisher shirt and memento.