Brooksvale 12-Hour

Hamden, United States • 29 Jun 2025

The Brooksvale 12-Hour is an endurance running event held in Hamden, Connecticut, featuring a challenging 4.25-mile loop with 500 feet of elevation gain. Participants can choose to run distances ranging from a marathon (six loops) to a 50k (eight loops), or aim for 50 miles within the 12-hour time limit. The course offers an aid station every loop, making it ideal for those training for longer ultras or first-time 50k runners. Proceeds support the Brooksvale Gift Fund for trail maintenance and another charity. Runners receive a tri-blend shirt, a unique handmade finisher’s medal, and ample food, creating a supportive and festive atmosphere. Visit the organization's website for the most recent information.

Race information

12 hr
12-Hour Run
Visit the organization's website for the most recent information.
Trail runs nearby

Join the Frosty Forest 5K in Stratford CT on December 13 for a festive off road run through Roosevelt Forest. Run, jog, hike or walk in holiday costumes, enjoy winter trails, and support local causes.

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.

Take on the Sleeping Giant Trail Runs at Sleeping Giant State Park in Hamden CT. Choose 25K or 50K two loop options over rugged, rocky singletrack with 3,000 feet of climbing; aid stations are cupless so bring your own bottle.

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.