2/12/2020
1:03 PM
11 km
1:00:01.12
5:28 km
Saucony Fastwitch 8 (Black)
Initializing charts...
4x1200m @ 3:36/km on the treadmill.
Felt harder than the 1000m intervals, my heart rate was a bit high, probably because I'm not completely over my cold. My back tightened up some late in the run, but eventually went away.