The 400 Is a Sprint

The 400m is a sprint; the 800 is the hybrid. And although speed training for the 400m seems counterintuitive, it should be the priority.

The 400 Is a Sprint

What's A Good 400m Time? Average 400 Meter Times By Age + Sex

Sunset Track: Legacy's Jeriel Thomas eyes state championship, Boys Track & Field, Nevada Preps

Van Niekerk betters 400m world record

400m sprint hi-res stock photography and images - Alamy

400 Meter Training - A Scientific Approach

How to quickly recover from a 400 meter sprint - Quora

Allyson Felix shoes, Winning 400 meter race in Saysh after Nike

Why the 400m is the Best Running Event on Earth

Could a runner win Olympic gold medals in the 400-meter, 800-meter, and the 1,500-meter races? - Quora

How to Train for the 400-Meter Dash

Sprint (running) - Wikipedia

Relationship between 400 m season's best (SB) and the maximal sprint