In the first celebrity edition, 9 brave stars tackle the course in the name of charity. Each will be paired with an elite ninja who serves as both coach and cheerleader. The celebrities include Stephen Amell, Erika Christensen, Jeff Dye, two-time Olympic gold medalist Ashton Eaton, Nikki Glaser, Derek Hough, Natalie Morales former New York Yankees outfielder Nick Swisher, and Mena Suvari.