Cross-training is an essential part of any long-distance running program. It helps the body to make it across the finish line injury-free. "Running is a high-impact exercise," Franks said.

BOSTON — Nina Kuscsik, who campaigned for women’s inclusion in long-distance running and then won the Boston Marathon the first year that they were officially allowed to enter into the race ...

Cross-training is an essential part of any long-distance running program. It helps the body to make it across the finish line injury-free. "Running is a high-impact exercise," Franks said.