<Tr> <Td_colspan="2"> ← Previous Season 14 </Td> </Tr> <Tr> <Td_colspan="2"> List of Top Chef episodes </Td> </Tr> <P> Top Chef: Colorado is the fifteenth season of the American reality television series Top Chef . Initial details about the season and its cast were revealed on October 12, 2017 . The show was filmed in various cities across Colorado, including Denver, Boulder, Telluride, and Aspen . The season premiered on December 7, 2017, and concluded on March 8, 2018 . Last Chance Kitchen premiered on November 30, 2017 . In the season finale, Joseph Flamm was declared the Top Chef, defeating Adrienne Cheatham . Fatima Ali was voted Fan Favorite . </P> <P> Top Chef: Colorado features a cast of 15 new contestants . In addition, four returning competitors from previous seasons competed in the Last Chance Kitchen for the opportunity to enter the main competition: Top Chef: San Francisco contestant Lee Anne Wong, Top Chef: Los Angeles runner - up and All - Stars contestant Marcel Vigneron, Top Chef: California contestant Kwame Onwuachi, and Top Chef: Las Vegas finalist and All - Stars contestant Jennifer Carroll . Following the sixth episode of Last Chance Kitchen, Wong was selected to join the main cast . </P>

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