Marji Gesick 50/100

Ishpeming, Michigan Ishpeming, MI

The Marji Gesick 50/100 is one of the best long-distance endurance mountain bike races in the United States and is part of the National Ultra Endurance Series (NUE). This is it; this is the tip of the spear when it comes to difficulty. The Marji Gesick is one of the planet's hardest and most grueling…