Running 50:41 12.09 km (4:12 / km) +109m 4:01 / km
ahr:137 max:179
6 x 1km (1 min) on a section of cycle track. Bit narrow at times which made it awkward to pass dog walkers. Alternating slightly up and slightly down.
3.13, 2.56, 3.01, 2.53, 2.59, 2.52