10 min warm up
5k
5 min recovery
5k
5min recovery
5k
5min recovery
5k
5 min recovery
5k
collapse
it's quite heavy session in terms of training load, 200+ tss for me for training peaks users, obviously different depending on how hard a 20 min 5k is for you!
What do you mean 5x5k all under 20? Do you mean 25k under 1hr 40?