Upton Half Marathon Trail Race
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Event overview
The Upton 10.5K and Half Marathon Trail Race takes place on Sunday, November 9, 2025 in Upton State Forest, Upton, Massachusetts (park entrance at Westboro St and Southboro Rd, near 205 Westboro Rd). The event offers these distances:
- 21K (half marathon, two laps)
- 10.5K
There is a cap of 250 total participants and no day-of registration. Online registration closes November 7, 2025. Entry fees listed are $30 for the 10.5K and $35 for the half marathon; participants aged 70 and over are free. An early start option is available for half marathon runners who expect to take longer than three hours; those runners are ineligible for awards. Awards are given to the top three overall male and female, and top three in specified age groups, with results based on gun/clock time.
Course and logistics
The course runs on technical, hilly single-track trails and forest roads inside Upton State Forest. Each lap is approximately 6.5 miles with about 720 ft of elevation gain; the half marathon is two laps. There are two aid stations on course at the Dean Pond turn and at the Park Rd/Loop Rd intersection, spaced at roughly three-mile intervals. Dogs and strollers are not allowed on the course. Parking is available onsite but limited. Post-race amenities include TVFR swag, fire pits, hot soup, light snacks, and hot chocolate. A preview run is scheduled for October 19, 2025. Visit the organization's website for the most recent information.