'World's Toughest Race' in Fiji to debut Aug. 14 on Amazon
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1 / 2Corey Rich/Amazon
In this image released by Amazon, racers compete in the 2019 Eco-Challenge adventure race in Fiji. The competitions new 10-episode season, hosted by Bear Grylls and with 66 teams from 30 countries, will debut Aug. 14 on Amazon Prime Video. (Corey Rich/Amazon via AP)