Running (Strides) 17:58 [4] 4.03 km (4:27 / km) +24m 4:20 / km
slept:7.9 shoes: New Balance MT690v2
After a 2k warmup did 6 ~130m 'strides' where you steadily increase up to a fast sprint and then steadily slow down again. Found it easy so will be trying again next week.