Trail Running calendar near Rensselaerville 2026-2027

This fifth annual 5K in Dolgeville follows the scenic Greenway Trail through the forest. Registered participants get a free t-shirt, and post-race refreshments are provided. All proceeds go to providing free sports equipment for local youth..

A trail running event in Gardiner, NY offering a 5 km run, an optional 10 km two-lap route and a 200 yard kids run, with pre registration T shirt incentives and a sneaker recycling program.

Experience an ultimate endurance test at Mohawk Mountain by taking on 61 miles and 29,155 feet of elevation gain. Participants have 72 hours to run hike or walk their way to an Everest sized vertical achievement.

This 24-hour trail challenge in Cornwall, CT, covers over 28 miles and 13,685 feet of elevation gain. Participants can run, hike, or walk the double marathon distance or tackle it as a relay.

Experience a rugged trail race through the Adirondack forests and wetlands of Amy’s Park. Enjoy scenic views and a community after party at a local brewery while supporting land conservation for Lake George.

A fall endurance event in Cohoes, NY offering 6 hour solo and relay, 3 hour and 1 hour timed formats, with buckles for solo runners over 26.2 miles, swag and finisher awards, and fundraising for Flutters of Hope Inc.

A 50 kilometer mountain ultramarathon around Lake George with roughly 9,000 feet of climbing, multiple aid stations, and required prior ultra-trail experience; the route starts and finishes at Camp Chingachgook in Kattskill Bay.

Trail races and a half marathon take place around Barbour Woods and Haystack Mountain in Norfolk, CT on October 4, 2026. Routes include single track and carriage roads and the half marathon features over 2000 feet of elevation gain.

The The Trailwagger will take place in Laurens on Saturday 10 October 2026. You can run between 3 and 8 miles.

A running race at Mohawk Mountain Ski Resort in Cornwall CT on October 11 2026, organized by Steep Endurance in cooperation with the ski area, with entry fees ranging from 30 to 95 USD.

Explore the scenic trails of 100 Acre Woods in Malta, New York. This community event on October 18, 2026 features 2k, 3k, and 5k trail runs. All proceeds support local trail maintenance.

Experience the wilderness trails of Deerfield Town Park with a variety of trail races for all ages. Enjoy a professionally timed 5K or a community run while supporting the local food pantry in your favorite running costume.

A weekend Spartan obstacle event at Sunflower Valley Farm on October 31 and November 1, 2026 featuring Sprint, Super, Kids races and Hurricane Heat formats across woods, mud and creek runs, with spectator access and medals for finishers.

Experience the Fall Back Into The Trails Series at Red Wing Recreation Area in Lagrangeville. Choose from 100k, 50k, or 10k distances featuring a loop course with elevation gain. This UTMB Index event offers medals and awards.

A technical trail half marathon at Moreau Lake State Park near Gansevoort, NY, covering about 14 miles with 2700 feet of climbing and one aid station; start and finish are at the park beach.

Experience a 5K trail race through the scenic Stillwell Woods Preserve in Woodbury. This event honors the memory of Rob Lauterborn and supports the Center for Developmental Disabilities.

A late winter trail race at Gilbert Lake State Park on February 21, 2026 offering 50k, 25k, and 10k on a 6+ mile loop with a snow adjusted course and an aid station serving hot broth and snacks. Net proceeds support The Neighborhood Center.