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WINTERBERG, GERMANY - DECEMBER 05: Jamie Greubel Poser poses after winning with Cherrelle Garrett of United States the two women's bob competition during the BMW IBSF Bob & Skeleton Worldcup at Veltins Eis-Arena on December 4, 2015 in Winterberg, Germany. (Photo by Christof Koepsel/Bongarts/Getty Images)

WINTERBERG, GERMANY - DECEMBER 05: Jamie Greubel Poser poses after winning with Cherrelle Garrett of United States   the two women's bob competition during the BMW IBSF Bob & Skeleton Worldcup at Veltins Eis-Arena on December 4, 2015 in Winterberg, Germany.  (Photo by Christof Koepsel/Bongarts/Getty Images)

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KOENIGSSEE, GERMANY - JANUARY 27: Jamie Greubel Poser and Aja Evans of USA celebrate after the Women's Bobsleigh second run of the BMW IBSF World Cup at Deutsche Post Eisarena Koenigssee on January 27, 2017 in Koenigssee, Germany. (Photo by Alexander Hassenstein/Getty Images For IBSF)

KOENIGSSEE, GERMANY - JANUARY 27:  Jamie Greubel Poser and Aja Evans of USA celebrate after the Women's Bobsleigh second run of the BMW IBSF World Cup at Deutsche Post Eisarena Koenigssee on January 27, 2017 in Koenigssee, Germany.  (Photo by Alexander Hassenstein/Getty Images For IBSF)

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LAKE PLACID, NY - DECEMBER 16: Jamie Greubel Poser and Aja Evans compete in their first run during day 1 of the 2017 IBSF World Cup Bobsled & Skeleton at Lake Placid Olympic Center on December 16, 2016 in Lake Placid, New York. (Photo by Maddie Meyer/Getty Images)

LAKE PLACID, NY - DECEMBER 16: Jamie Greubel Poser and Aja Evans compete in their first run during day 1 of the 2017 IBSF World Cup Bobsled & Skeleton at Lake Placid Olympic Center on December 16, 2016 in Lake Placid, New York. (Photo by Maddie Meyer/Getty Images)

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KOENIGSSEE, GERMANY - JANUARY 27: Jamie Greubel Poser and Aja Evans of USA celebrate after the Women's Bobsleigh second run of the BMW IBSF World Cup at Deutsche Post Eisarena Koenigssee on January 27, 2017 in Koenigssee, Germany. (Photo by Alexander Hassenstein/Getty Images For IBSF)

KOENIGSSEE, GERMANY - JANUARY 27:  Jamie Greubel Poser and Aja Evans of USA celebrate after the Women's Bobsleigh second run of the BMW IBSF World Cup at Deutsche Post Eisarena Koenigssee on January 27, 2017 in Koenigssee, Germany.  (Photo by Alexander Hassenstein/Getty Images For IBSF)

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LAKE PLACID, NY - DECEMBER 16: (L-R) Second place winners Lolo Jones and Elana Meyers Taylor, first place winners Aja Evans and Jamie Greubel Poser, and third place Kaillie Humphries and Cynthia Appiah celebrate after competing in the Women's Bobsleigh race during day 1 of the 2017 IBSF World Cup Bobsled & Skeleton at Lake Placid Olympic Center on December 16, 2016 in Lake Placid, New York. (Photo by Maddie Meyer/Getty Images)

LAKE PLACID, NY - DECEMBER 16: (L-R) Second place winners Lolo Jones and Elana Meyers Taylor, first place winners Aja Evans and Jamie Greubel Poser, and third place Kaillie Humphries and Cynthia Appiah celebrate after competing in the Women's Bobsleigh race during day 1 of the 2017 IBSF World Cup Bobsled & Skeleton at Lake Placid Olympic Center on December 16, 2016 in Lake Placid, New York. (Photo by Maddie Meyer/Getty Images)