Pennsylvania woman rips fast 40 miles for her 40th birthday

This runner took her birthday miles to the next level

VIDEO: Runners narrowly avoid mid-race collision with deer

A deer nearly collides with two cross-country runners mid-race in Pennsylvania over the weekend

VIDEO: Men help exhausted runner to the finish at Philadelphia half-marathon

Footage of three men helping a runner finish a half-marathon in Philadelphia has gone viral racking up 22 million views in two days.