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34,045EventsUnited States2026
SEP 2026
11SUN
27
SEP
Race for the Refuge
Sudbury, US
SUN
27
SEP
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Race for the Refuge
Sunday, September 27, 2026 · Sudbury, United States
Distances
10K
30km
Start location
About this race
Explore the trails at Assabet River National Wildlife Refuge. This race uses double track trails, a mix of dirt and gravel, through a nature refuge past ponds, pine and oak forests, and alongside military bunkers. It's a good course for beginner trail runners, but advanced runners might find an opportunity for a new PR. It's a cupless race – let's keep our wild spaces wild!