Marathoner heroically finishes Dallas Marathon with help of fellow runner

Lomito marathon runner wins first medal

LA Marathon Runner Battles the Rain

Female Marathon Runner Pees in Public

Runner captures Boston Marathon explosion

Chilean miner finishes New York Marathon

Inspirational Boston Marathon runner Dick Hoyt dies

Runner breaks half marathon world record

Bullet-proof Backpacks Battle Violence

The dramatic moment when a runner crosses the finish line at the #Hannover Marathon

#VIRAL - Runner carried across the finish line at Philadelphia half marathon

Farewell Obama, Hello Again Fellow American

The Mexican marathoner Madai Perez tells what happened after the explosion at Boston Marathon

#VIDEO: Marathon runner throws away all the water bottles.

#CUTE: Georgia Man Surprises Fellow Nurse With Proposal on Helipad

Smartphones and Medical Help