Mo Farah's 2017 campaign begins on Saturday morning in Scotland where he'll try to prevent Garret Heath from pulling a stunner in Edinburgh for the fourth year in a row. Euro XC champ Aras Kaya of Turkey, plus Club XC champ Sam Chelanga and U.S. Olympians Leonard Korir and Hillary Bor also feature in the men's 8k. In the women's race, Euro XC champ Yasemin Can of Turkey faces U.S. Olympian Marielle Hall and Sarah Pagano. Laura Muir, Kyle Merber and Will Leer are among the legs in the mixed-gender 4x1k relay. Watch it live starting at 8:15 am ET. *MB: Garrett Heath goes for #4 vs Mo Farah: 2017 Great Edinburgh XC preview