Running hills 48:00 [5] 7.7 km (6:14 / km) +315m 5:11 / km
ahr:130 max:151
Cistern track hill reps. 6 x 4' plus jog back recovery off 8' cycle. Grim effort and breathing was poor, but pleased to grind it out. More than held my distance with first rep shortest and last one longest.