Running intervals 9:18 [4] 2.0 km (4:39 / km)
shoes: Grey Kayano
I think this can at best be described as a minor but consistent improvement. My two 1k reps last week were 4.39 and 4.39. This week they were 4.38 and 4.38. Each of the four was a flat out effort. Perhaps I have found me current capability limit.