Trail Monster Running is a group of trail runners based in Southern Maine who enjoy sharing our passion for the outdoors with others. We host regular group runs, Fat Ass events and races throughout the year to bring together members of the trail running community. From 5k cross country races to 100 milers, Trail Monsters run them all.

Anyone with a SERIOUS interest in trail running is welcome to join us for any of our group runs, we welcome trail runners of all abilities, but becoming a Trail Monster takes something extra. Trail Monsters are actively engaged in the trail running community by volunteering at races, participating in trail maintenance, hosting group runs and consistently demonstrating their love of trail running.


Membership dues are paid in the form sweat and blood on the trails and are collected on a weekly basis. Those interested in becoming a Trail Monster are encouraged to join us for a group run, or show up at a race and let us know that you’re as passionate about trail running as we are.

It’s not about how fast you run, it’s about running with heart. Trail Monster Running membership is for life, and for this reason it is not bestowed lightly. Membership must be earned, and prospective members must demonstrate their interest in being part of our community of trail runners.

Learn more about Trail Monster Running MEMBERSHIP.

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