Running tempo 30:00 [3] 6.3 km (4:46 / km)
ahr:155 max:176 weight:77kg
Fartlek run on the treadmill - The Lab Rat
4 min at 5:30 / 2 min at 6:44 min/km
4 min at 4:55 / 2 min at 6:03 min/km
4 min at 4:30 / 2 min at 5:20 min/km
4 min at 4:09 / 2 min at 4:45 min/km
4 min at 3:49 / 2 min at 4:19 min/km
Much better than the last time.
Faster pace, lower average HR.