In 1985, @joanbenoitsamuelson won the Chicago Marathon in 2:21:21, which was a then-American record. Today, she ran the race again and ran 3:36.:11 at 68 years old. She finished 4th place in her 65-69 age group. She split 1:47:52 for the first half and covered the second half in 1:48:19. 📸 @kevmofoto