Upton Half Marathon Trail Race

NOV
8
2026
Trail races in Upton State Forest offer 10.5K and half marathon options over technical, hilly single track and forest roads. The event has a 250 runner cap and aid stations spaced roughly every three miles.
Sun 8 Nov 2026
Half Marathon 11 kilometers

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Tri-Valley Front Runners Upton 10.5K and Half Marathon Trail Race

The event takes place on Sunday, November 8, 2026, in Upton State Forest, with the park entrance at Westboro Street and Southboro Road in Upton, MA. Registration is limited to 250 total participants and there is no day of registration; pre-registration closes 11/6/26.

Distances offered

  • 21K (half marathon, two laps)
  • 10.5K (single lap)

The course uses technical, hilly single track trails and forest roads. Each lap is approximately 6.5 miles with about 720 ft of elevation gain. Aid stations are located at the corner of Dean Pond Road and Park Road and at the Park Road/Loop Road intersection, spaced roughly every 3 miles. Dogs are not permitted on the course and the route is not stroller friendly. Alcoholic beverages are strictly prohibited in the park.

Parking is available onsite; participants are asked to allow extra time for arrival. Bib pickup begins on race day at 7:30 AM with an early pickup on Saturday, November 8 from 2:00 PM to 4:00 PM at Rushford & Sons Brewhouse, 8 Grove Street, Upton, MA. Post race amenities include club swag, fire pits, hot soup, light snacks, and hot chocolate. Net proceeds are donated to Friends of the Upton State Forest, the Milford Food Pantry, and other local charities. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
11 km
10.5k
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