What I did ... freestyle
150 at 1:50 and got a 15 sec rest ... left at 2:05
150 at 1:52 and got an 8 sec rest ... left at 2:00 Etcetera
125
125
125
100
100
75
75
75
50
50
total 1200 SCY over about 20 mins.
You can make it as challenging as you wish.
Such a Bad Runner
150 at 1:50 and got a 15 sec rest ... left at 2:05
150 at 1:52 and got an 8 sec rest ... left at 2:00 Etcetera
125
125
125
100
100
75
75
75
50
50
total 1200 SCY over about 20 mins.
You can make it as challenging as you wish.
Such a Bad Runner