You'd better be tough (and talented) if you want to make the 2017 World XC team as the conditions are going to be difficult and the field is stacked with 8 of the top 9 from the Olympic 10,000 Trials. Derrick -- and almost everyone else -- missed out on last year's race, but he's back after three-peating from 2013 through 2015 but he'll have his hands full with the Kenyan-born talent in Scott Simmons group that is taking America by storm.