River Jam Run

Take your weekday run off-road in this 5k/10k trail race on the second Thursday of every month from May through September.


New distance
Total Distance
Trail Running

Race Info

Available Dates

  • May 11th

  • June 8th

  • July 13th

  • August 10th

  • September 14th


  • Pre-Registration

    Ends Day Prior to Event.


  • Day-of Registration


Photo Gallery

  • River Jam Run Race Edition, River jam, Running, USNWC, programing, wrs
  • Wild Vine 2022 - Sean Richard
  • Labor Day Trail Race 5K and 15K - 2022
  • MA_June2019_RiverJam-6969


Race Day

  • Thursday
  • 6:30pm Mass start (runners must start within 5 minutes of designated start time)
  • 8:00pm Course closes (official times not recorded)

Packet Pick-Up

  • Thursday
  • 5:30pm Day-of registration and packet pickup begins
  • 6:30pm Day-of registration and packet pickup ends

Event Map

Map Key

5K Course
10K Course


Participants must be present at the award ceremony to receive awards. Awards will be given to the top three male/female finishers in the following age groups for both distances:
14 and under | 15-20 | 21-30 | 31-40 | 41-50 | 51-60 | 61 and better
Racers who complete all 5 races in the River Jam Run series will receive a River Jam Run Hoodie.

Series awards will be given to the top 3 overall male and female finishers for each distance. Scoring will be calculated using a point system scoring racer's top three times.