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.

Sprint Track 400 Meters Athlete Runner Stock Illustration - Download Image Now - 400 Meter, Running, 2019 - iStock

Is 400m a sprint or middle distance? - Quora

4 Goals of 400m Training

Botswana's Amantle Montsho Seeks Glory in Punishing Race - The New York Times

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

400 Meters

Sprint (running) - Wikipedia

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

BREDA - Eveline Saalberg during the 400 meters final on the third day of the Dutch Athletics Championships on the AV Sprint track. ANP IRIS VANDEN BROEK Stock Photo - Alamy

Sprint (Running): History, Objective, Events & Techniques

Michael Johnson's Racing Strategy in the 400 meters

Yelverton World's Top 400-Meter Sprinter Over 60 - The Murfreesboro Pulse

400 Meter Training: Short to Long, or Long to Short