Mezue ahịrịokwu na-esonụ: Pennel meriri 2014 Twin Cities Marathon na marathon mbụ ya. O mesịkwara soro n'asọmpi nke
2014 IAAF World Half Marathon Championships ebe ọ gbara 33rd. Na June 4, 2015, Pennel gbara ọsọ nke mbụ ya n'okpuru nkeji anọ na ememme nke Miles na St. Louis, ebe ọ kwụsịrị nke abụọ na 3: 58.99.