3.5 times of 5mins 85 then 5mins 85% mhr 80 on 100rpm then 85 on 105rpm struggle with cadence and hitting heart rate both slightly low but better at end. Tired.
road bike2:10:00 [3] 50.0 km (2:36 / km) +452m2:29 / km ahr:153 max:171
Solo cycle into headwind on way out time limited by daylight, care with ice on way out and on other sections. Legs heavy from circuits 2days ago, cold.