A true challenge in magical untaimed wilderness, The Drift 100 is a 103 miles race in Pinedale with more than 9,000 ft elevation loss/gain with no drop bags, pacers, or cell service. There are check points separated by upwards of 25 miles of challenging terrain. The disciplines include skiing, biking, and running.
Registration: https://ultrasignup.com/register.aspx?did=97897