Training Day --Aerobic

First "training day" towards improving that nagging weakness of mine....aerobic capacity.

5min @ 80%--5min@ 50%
4min @ 80%--4min @50%
3min @80%-- 3min @50%
2min @80%--2min @ 50%
1min @ 80%-- 1min@ 50%

Tracked it all on my HR monitor
Maximum HR reached 180bpm
Average HR for entire 30min 158bpm

Total working time including warm up and cool down...35minutes