Trail Running calendar near Union 2025-2026

Event overview The Enchanted Forest Ultra Run is a trail ultramarathon held at Roosevelt Forest, 700 Peters Lane, Stratford, CT. The event is offered as a 6-hour format and as a 50K distance. Field size is limited to 50 participants. Regist..

Lace up for a scenic 3.5 mile wooded loop at Hale Education in Westwood, with a timed 6 hour challenge or a shorter lap option. Expect roots, boardwalks and ponds; proceeds support land conservation and the event is cupless so bring your ow..

Run 16 miles of rugged single track through Bigelow Hollow and Yale Myers Forest to Boston Hollow in this intimate, capped trail race near Union, CT. Limited to 100 runners, the event supports local trail organizations.

Run scenic, rugged trails at Sleeping Giant State Park with 25K or 50K looped options featuring steep scrambles, runnable singletrack, and a climb to the Observation Tower. Proceeds support the park.

Run Across CT 123 is a scenic 123 mile ultramarathon across Connecticut from East Thompson to Southport, weaving through forest trails and backroads. Enter as a timed solo or relay team and challenge yourself to finish within the 36 hour cu..

The Merrimack River Trail Race is a USATF-sanctioned 10-mile out-and-back trail run held in Andover, Massachusetts, starting from the DoubleTree by Hilton Hotel parking lot. The course features water stations at miles 2, 4, and 8, with a mi..

Event overview Spring Fever takes place Saturday, April 11, 2026, at Wompatuck State Park campgrounds in Hingham, MA (204 Union St). Registration closes Friday, April 10 at 11:59 PM ET. The event offers the following distances: 5K 5M 8-Hou..

Join the Connecticut Traprock trail ultramarathon for community spirit and scenic challenge with 17 km and 50 km options. Held the Saturday before the Boston Marathon at Penwood State Park, this festive race draws trail runners of all level..

Run the scenic trails of Jericho Town Forest in Weston, MA with distances from 10K to 50K on a fast, smooth loop. Welcoming to youth, adaptive athletes, and volunteers; note the event is cupless so bring your own hydration.

Join the 52nd Jack Bristol Lake Waramaug Ultra Races in Kent CT on April 26, 2026 for 50K, 50 mile or 100K loops around scenic Lake Waramaug. Expect friendly aid stations, post race food and classic New England views.

Event overview The Blue 2 Blue Challenge is a 50K trail event in New Haven, CT on May 3, 2026. It is held as an out-and-back that starts at West Rock Playground and follows the blue-blazed trail system. Organizers report a slightly over 80%..

Run the scenic Dandelion Dash 5K on The Hartsbrook School trails or enjoy the family friendly Mushroom Mile in Hadley, MA. Support school programs in sustainable agriculture and beekeeping or run virtually from anywhere.

TARC Wapack and Back is a rugged ridge trail race on the Wapack Trail with 21.5, 43 and 50 mile options over rocky, technical terrain and big climbs. Expect minimal markings and serious elevation so seasoned trail runners only.

Forgotten Forest 9-Hour Ultra : May 16, 2026 The Forgotten Forest 9-Hour Ultra takes place at Roosevelt Forest in Stratford, CT (GPS address: 700 Peters Lane). The event is limited to 50 participants. Registration is final; there are no ref..

Experience the 9th annual Wildcat 5K Trail Run, Walk and Wag on May 30, 2026 in Boxford, a scenic 5K around Stiles Pond through Wildcat State Forest. Runners, walkers and their dogs will enjoy trails, prizes and a festive post race celebrat..

Challenge yourself at Mohawk Mountain in early June 2026 with timed endurance events from 12 hour to 84 hour and distances up to 152 miles. Race solo or with Trail Buddy or Trail Family teams, tackle night sections and enjoy base support an..

Run a scenic 5 mile route along the Cheshire Rail Trail from Fitzwilliam Depot to the restored Troy Depot while supporting the Fitzwilliam and Troy Historical Societies. Food, festivities and a short kids loop make it a great community day.

Enjoy the Nipmuck South Trail Race in Mansfield CT, a 15.7 mile out and back along the Fenton River that winds through woods, fields and over small bridges. Organized by Shenipsit Striders, proceeds benefit local trail stewardship.

Event overview The Centurion Ultra Trail Event takes place in Roosevelt Forest, Stratford, Connecticut on Saturday June 27, 2026. The main race challenges runners to complete 100 miles within a 33-hour limit. The field is limited to 50 part..

Join the Stonington Cross Country 5K in Pawcatuck CT on Wednesday August 12 2026 for a free community race that blends one track loop, quiet campus roads and scenic trails. A children's 1/2 mile for ages 10 and under also finishes on the sc..