Race for the Refuge – Sudbury, MA 2026

Race for the Refuge The Highland City Striders welcome you to explore the trails at the Assabet River National Wildlife Refuge in Sudbury, MA ! The Race for the Refuge begins at the ARNWR Visitor’s Center and traverses the beautiful trails around the Refuge. The course will lead runners into this idyllic nature refuge, past ponds, through pine and oak forests, and alongside mysterious military bunkers. Course Description The double track trails are a mix of dirt and gravel. It’s a great course for beginner trail runners. For the advanced trail runner, it could be an opportunity for a new PR! Events The lineup features a 10K (1 loop) and 30K (3 loops) races, and a 6-hour timed event. For the timed event, runners may do as many loops as desired. A loop must be completed by 3pm to be counted towards final mileage. Ranking of runners is determined by the runner who completes the most loops in the shortest period of time. Runners in the 6-hour race must start their last lap by 2pm. The top