Jog 51:00 [2] 9.0 km (5:40 / km) +108m 5:21 / km
ahr:163 max:200 shoes: Asics GT-2170
First try with Interval mode on my watch; 15 min warm up run, then 7 x 2 min 5min/k pace with 2 mins recovery runs in between. Heart rate monitor a bit dodgy at start - read 200bpm.