Lengkepan kalimah di handap ieu: Dina Pébruari 2013, Derrick meunang AS Senior Lalaki 12,000 méter AS Cross Nagara Championships di 35:38 di Leuweung Park di St. Louis Missouri, pikeun cocog pikeun
2013 IAAF World Cross Country Championships dimana anjeunna nempatkeun 10th.