Altra has signed up Amelia Boone as a new member of its Elite Team. Boone is a world champion obstacle course racer and a winner of the Spartan Race World and Toughest Mudder championships. In addition to being a professional athlete in the ultrarunning world, she also works as a full-time corporate attorney for Apple. Boone started obstacle course racing in 2011, when she competed in her first Tough Mudder. Since then, she has earned more than 30 first place finishes and 50 podiums.