400m and 800m Efforts with 200m Recovery

In this session, we repeat the following pattern:

1. 400m effort (a full lap of the track)
2. 200m walk/jog recovery (half a lap of the track)
3. 800m effort (two laps of the track)
4. 200m walk/jog recovery (half a lap of the track)

Most runners will be aiming to complete 3 or 4 sets during the session.