Ave 145 bpm
Max 157 bpm
5k 20'03"
HR from Ergo as wristband problem. 10' warm up 25' break then tried to 5K MAX at sub 20'. Started sub 1'55" for 2' and lasted 10'+ at that but couldn't sustain and h/r close to AR. VHNS too! Back to 2:05 ish for 8' and max for last 500m. Good ergo.