LOS ANGELES, CA - FEBRUARY 13: U.S. (L-R) Shalane Flanagan, Adriana Nelson, Sara Hall and Kara Goucher at the start of the Olympic Team Trials Women's Marathon on February 13, 2016 in Los Angeles, California. (Photo by Joshua Blanchard/Getty Images)
LOS ANGELES, CA - FEBRUARY 13: U.S. (L-R) Shalane Flanagan, Adriana Nelson, Sara Hall and Kara Goucher at the start of the Olympic Team Trials Women's Marathon on February 13, 2016 in Los Angeles, California. (Photo by Joshua Blanchard/Getty Images)