World’s Toughest Race: Eco-Challenge Fiji, a ten-episode event hosted by Bear Grylls. Sixty-six teams from thirty different countries run, climb, bike, sail, paddle, spelunk, and swim through jungles and rivers, over mountains and the Pacific, racing to claim victory.“They definitely designed the course to make it just unforgiving,” says elite ultra-runner Coree Woltering, who competed in the Eco-Challenge as a member of Team Onyx — the first all-Black, predominantly LGBTQ team in expedition racing. “It takes an all-around athlete to be able to do something like that, and just an extremely mentally strong person.”Woltering would know.