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Path in the forest

Trail Animals Running Club

Beginner Friendly Events 5K to 100 Miles & Beyond


The Trail Animals Running Club (TARC) is the largest trail and ultrarunning group in the Northeast United States, with our home base in Eastern Massachusetts. Our members are local, national, and international.


We are a nonprofit running club and aim to act as community stewards by providing equitable access to trail running and promoting positive trail running culture. Join our free group runs and low cost races from 5K to 100+ miles.


We welcome people of all races, nationalities, ethnicities, sexual orientations, gender identities & expressions, ages, and abilities. Our event profits are donated to land conservations & trusts in support of our trail running passion. So whether you’re new to trails or have been running them for decades, we want to meet you. Come get your feet dirty with us!



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Frozen Yeti start line
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