Valley way https://w3w.co/lunging.explored.crescendo
400m x 10 progression, with jog recoveries
4 reps at YOUR 5km pace (you should be able to speak in sentences, and breathing under control before next rep)
3 reps at 5 to 10sec/400m faster YOUR 5km pace (at least 3 word responses)
3x reps at whatever you have left
Bookings can be cancelled until 17:50 on 21/03/2023.