Black Fly Challenge

Adirondack Gravel Grinder

Annual event held on the second Saturday in June.  The 27th running of the Black Fly Challenge will be June 8, 2024.  Registration opens on Groundhog Day - February 2, 2024.  Check the event's website or Facebook page for updates.

This event is always held the second Saturday in June. This is a 40-mile destination mountain bike race through the Moose River Plains Recreation Area. The race start alternates annually between Inlet and Indian Lake.  2024's race will start at Arrowhead Park in Inlet and end with music, food, and beer next to the Indian Lake School.

Spectators are welcome and encouraged to hang out with us at the after party to cheer the racers across the finish line!

Check out their website at for more information.