SPEARFISH — Roxi Ericksen Olsen of South Sioux City, Neb., was the 2010 overall winner of the Leading Ladies Marathon held Sunday morning in Spearfish. Olsen won with a time of 3:15.16, finishing 50 seconds ahead of second. “There are many issues,” said Gord Gray, head of communication for Unifor Local 444. Strike marshal Stephanie Dunphy said morale at the gaming hall remains strong. “It’s pretty good so far,” she…