Tried this for the first time today:
Did a 5 minute warm
30 sec sprint, 30 sec slow.
45 sec sprint, 30 sec slow
60 sec sprint, 30 sec slow
45 sec spring, 30 sec slow
1 min spring, 30 sec slow
1:15 min spint, 30 sec slow
1:30 min sprint, 30 sec slow
1:45 min sprint, 30 sec slow
2:00 min sprint, 30 sec slow
same in reserse.
5 min cool down.
I did this for just before lunch and I was whipped the rest of the day.
I think I overdid it.
Did a 5 minute warm
30 sec sprint, 30 sec slow.
45 sec sprint, 30 sec slow
60 sec sprint, 30 sec slow
45 sec spring, 30 sec slow
1 min spring, 30 sec slow
1:15 min spint, 30 sec slow
1:30 min sprint, 30 sec slow
1:45 min sprint, 30 sec slow
2:00 min sprint, 30 sec slow
same in reserse.
5 min cool down.
I did this for just before lunch and I was whipped the rest of the day.
I think I overdid it.
