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

Can you recognize these Olympic medallists as teenagers?

Test your knowledge of track and field and see if you can name these Olympians as high schoolers

Two high-school boys break 4-minute mile in the same race

For the first time ever, two high-schoolers ran sub-4:00 in the same event