Start running right now, whatever your level, with the free Winter Warriors running groups offered by Fleet Feet Maine Running in Portland and Brunswick.
Whether you're looking for fitness pals or people to hike or paddle with, Meetup.com has a lot of options. There are groups for runners and groups for walkers looking to get moving at an accessible pace. There's a paddling group and a weekly paddleboard meetup and a couple of meetups for rock climbers (or people wanting to become rock climbers).
sheJAMs is launching a new five-month 10K training program leading up to the Power of SHE 10K in October (the race, put on by sheJAMs, takes place in Portland on Oct. 11 and is also new this year).