Intervals 30:00 [4]
Intervals:
4:34 - 1200m
3:00
3:46 - 1000m
2:36
3:01 - 800m
3:49
2:11 - 600m
2:25
1:21 - 400m
At first the legs felt a bit like they were tearing muscle, then just heavy... it felt like I was trying to kick the half marathon out of them.