Valerie Fleming started out in athletics, running on the 4x100 relay team at UC Santa Barbara, and she was Big West Conference champion in the javelin throw. Graduating in 2003, she immediately starting bobsledding as the braker for Shauna Rohbock, and together they have won the most medals ever on the World Cup circuit for a US pair, male or female. They were third at the 2005 and 2007 World Championships, have posted 19 podium finishes on the World Cup circuit, including three victories. In 2009, Fleming added a bronze at the World in the bobsled-skeleton mixed team championship. Fleming has a twin sister, Victoria.