Today's video is a 400m threshold workout for distance running, specifically between mile training and 10K training. It is 20x400m with 30 seconds jog recovery at threshold pace. In this case around 2:55 to 3:00 pace.

This is filmed around Battersea park. Alfie Manthorpe is the 2023 5000m English Champion as well as a 10K English champion.