Trail Running calendar near Southwick 2025-2026

We have found 59 Trailruns within 80 miles of Southwick. See below where and when you can find the races.

Join the 8th Annual Taco Trials in Rocky Hill CT: eat a taco then run a one mile loop, repeat ten times for fun and trophies. All proceeds benefit the Connecticut Forest and Park Association and the event is full with a waitlist.

Seth’s Fat Ass 50K at Forest Park in Springfield on December 20 invites runners to tackle between one 5K loop and the full ten loop 50K in a festive, low key winter setting. Enjoy scenic roads and trails, event swag and a seven hour limit.

January 2026

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.

March 2026

Enjoy a scenic 5K around Osprey's Dominion Vineyards in Peconic, NY on a two lap cross country style course for runners and walkers. Finishers get a shirt, bottle stopper medal, shatterproof wine glass and a wine pour.

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

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 6.55 mile quarter marathon through West Hartford Reservoir 4 as two loops around the park. Limited to 150 runners, the event features chip timing, post race treats and awards in five year age groups.

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.

Take on rugged Traprock at Penwood State Park in Bloomfield CT on April 18, 2026 with 17K one loop or 50K three loop options. Expect rolling, technical single track and rocky trails; bring your own cup for this cupless, chip timed race.

Celebrate spring at the Brooklyn Cider House Spiked Apple 5K on April 19 in New Paltz, a scenic two lap run through vineyards and orchards. Enjoy a cider pour, fresh donut, finisher medal and commemorative shirt.

Run the TARC Spring Classic at Jericho Town Forest on April 26, 2025, choosing distances from 10K to 50K plus a free youth fun run. Enjoy a smooth, relatively flat looped trail with one aid station offering vegan friendly options.

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 the scenic Seven Sisters Trail Race in Amherst, MA on May 2, 2026, an out and back along the Holyoke Range ridgecrest. This rugged 12 mile course delivers steep climbs, rocky singletrack and over 3,500 ft of elevation for a thrilling..

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.

Blue 2 Blue Challenge is a rugged 50K through New Haven trails, with about 6350 ft of climbing and technical rocky terrain including a summit at Mt Sanford. Expect a cutoff driven, no frills race for seasoned trail runners.

Take on the Dandelion Dash 5K or the Mushroom Mile on The Hartsbrook School trails, with a virtual option available. Muddy, scenic terrain and proceeds support the school's Land Stewardship program.