RIVERSIDE, Calif. – 2013 Vanguard cross country is seeing steady development as a program from week-to-week, as demonstrated by its improved times from its September 7th meet at UC Irvine to its performance at the UC Riverside Invitational on September 14th.  Juniors Josh Espinoza (Glendale, Ariz.) and Marline Estell (San Marcos, Calif.) were the Lions' top-finishers in their respective races on the day.