From first-time trail riders to experienced racers, Team Borealis is helping young athletes build skills, confidence and friendships on two wheels. Team Borealis, an Ely-based youth mountain biking team affiliated with the Minnesota Cycling Association, was founded six years ago for students in grades 6 through 12. Starting with just 10 to 12 riders, the team has expanded to 22 participants this season. “But then we’ve also got kids who grew up mountain biking. One of the biggest hurdles for Team Borealis is travel.