In what mountains is the Barkley Marathon held?
Barkley Marathons The Barkley Marathons is an ultramarathon trail race held in Frozen Head State Park near Wartburg, Tennessee. Runners may elect a "fun run" of 60 mi or the full course of 100 mi (distances are approximate). The race is limited to a 60-hour period, and takes place in late March or early April of each year.
Yukon Arctic Ultra The Yukon Arctic Ultra is a series of non-stop multiday races that take place concurrently beginning in Whitehorse, Yukon at the beginning of February each year. The marathon, 100/300/430 mile races follow the course of the Yukon Quest. The longer races have three disciplines: mountain bike, xc-skis or foot.