Running 41:48 [4] 10.01 km (4:11 / km) +27m 4:07 / km
ahr:159 max:173
The meat was 4 faster km's, with a little more intense recovery. (maybe 50km pace?)
2 km warmup: (4:15, 4:30)
(3:45)
1 km recovery: (4:21)
(3:49)
2 km recovery: (4:20, 4:22)
(3:57)
1 km recovery: (4:30)
(3:56)
T-shirt and tights.
Stopped watch for a spell during the recovery just before the 4 km mark to deal with a messy path under the Gardiner near the mouth of the Humber.