VIDEO: Katelyn Tuohy sets #1 US time running on a gym floor

Tuohy ran her season opening 3,000m in 9:41 on a gym floor

The Shakeout Podcast: A Weekly Running Ritual Since 1974

The Hart House runners have been meeting every week at lunch since 1974.

This clip of centenarians throwing down never gets old

Orville Rogers and Julia Hawkins, both more than 100 years of age, broke world records on the weekend