Name: Running with the Wolves 5K/10K
Start: 2026-07-15
Location: 72 Jefferson St., Marlborough, MA 01752

Race Details

Both races start and end at Kelleher Field.
USATF Certified out & back course for both races on the car-free Assabet River Rail Trail.
10K Race: Runners Only.
5K Race: Walkers and runners are Welcome!
Awards: Top overall male and female finishers, per race, per age group!
Team/Corporate Challenge: Awards to the company or team with the most runners participating in the races.
A 90-minute time limit will apply to the 10K Race. Runners who have not reached the turnaround point after 45 minutes will be turned around on the course by volunteers.
One free beer for all registered runners over the age of 21.
Free smoothies, freshly grilled hamburgers and hotdogs, and more post-run snacks!
Entry fee for both races is $40. Race day signup available for $45.
All participants who register before 6/21/2026 will receive a technical shirt in their chosen size. (After that, sizes and availability will be limited).