Intervals intervals (Kenl 6x400 in104s/20s rec) 12:24 [5] 2.4 km (5:10 / km)
ahr:146 max:161 shoes: Saucony Peregrine 5 (trail)
Tough session especially last two - went out too hard at the start
102,
102,
104,
100,
104,
103
cool down warm up/down (happy cooldown) 16:15 [1] 2.5 km (6:30 / km) +8m 6:24 / km
ahr:140 max:163 shoes: Saucony Peregrine 5 (trail)
Again a very odd reading of continually higher HR of 155-163 near middle third of cooldown. Opening and closing third all just under 135