Groton Forest Marathon, 25K, and 10K Trail Run

Start times:

Marathon: 7:00am

25K: 9:00am

10K: 10:00am

10K course: This 10k course is about 6.2 miles with 1100 ft. of elevation gain. This course features the summit of Little Deer with views of Lake Groton. This course is about 75% technical single track and 25% dirt road. Course map

25K course: This course is about 15 miles with 3200 ft. of elevation gain. This course features the summits of Big Deer and Little Deer with views of Lake Groton, and Owls Head overlooking Kettle Pond. This course is about 50% technical single track, 25% multi-use trail, and 25% dirt road. Course map

Marathon course: The long course is about 26.5 miles with 5,000 ft. of elevation gain. This course is approximately 60% technical single track, 10% multi-use trail, and 30% dirt road. In addition to Big Deer, Little Deer, and Owls Head this course features loops around Kettle and Osmore Ponds.  Course map

For more information: Contact Jill Sudhoff-Guerin at: jillsudhoffguerin19@gmail.com 

Pre-Registration: Register online at UltraSignup  Online registration closes at 11:59pm on 9/5/2024.

Race day registration and number pickup: On race day morning, Sept 7th from 6:00am – 10am and on Friday night, 9/6/24, from 4pm – 7pm. 

Register