Running 49:02 [3] 9.65 km (5:05 / km) +98m 4:50 / km
ahr:152 max:171
With Abi.
Legs felt good, cardio less so as I was breathing quite heavily up the hills.
Also, calf started twanging on the last 50 metres, which isn't a great surprise given backache, no massage and limited strength work. It'll be fine, but it would have been entirely avoidable.