If you want to run a faster 400m race, watch this entire video. I guarantee it's the most informative and entertaining 400 video you've ever seen. In your whole life.

[Article] 4 Goals of 400m Training: https://www.completetrackandfield.com...

Optimal training and racing approaches for every type of 400 runner: https://completetrackandfield.com/lp/...