The Western States Endurance Run is the world's oldest 100-mile race — and among its toughest. Runners begin the race in Squaw Valley, Calif., climb more than 18,000 feet and descend nearly 23,000 feet before they reach the finish line in Auburn, Calif.
Here's what that looks like:
This year's male winner was Rob Krar, 38, of Flagstaff, Ariz., who completed the course in 14:48:59. That's an incredible time. But the loudest cheers at the finish line on Sunday were reserved for 70-year-old Gunhild Swanson of Spokane Valley, Wash.