Mezue ahịrịokwu na-esonụ: Vail malitere ọzụzụ n'ihe dị ka n'afọ nke mbụ ya na Centennial High School. Ọ gara n'ihu na Mahadum Oklahoma State ebe ọ bụ onye ndu nke ndị otu NCAA Cross Country National Championship nke 2009. Ozugbo ọ gụsịrị akwụkwọ na Oklahoma State, Vail bịanyere aka na Brooks Sports. Vail sonyere na 2012 Olympic Trials, ebe ọ bụ onye kachasị elu. Vail bụkwa onye Amerịka kachasị gbaa ọsọ na 2013 New York Marathon, na na
2014 London Marathon, ebe o ji 2' 10" 57, nke kachasị mma ya, wee bụrụ onye nke iri.