WATCH: U.S. ninth grader runs 45-second 400m at Penn Relays

The 15-year-old sprinting phenom, Quincy Wilson, ran a 45.06 anchor leg during a 4x400m relay

WATCH: 100-year-old clocks 26 seconds in 100m

The WWII veteran finished seventh out of nine runners, beating an 86-year-old and 92-year-old

The Rundown: Track is back, road racing returns, and Canadians kick butt

Each week Canadian Running staff writer Maddy Kelly and Shakeout host Kate Van Buskirk update you on the exciting world […]