Running tempo 24:25  4.29 km (5:41 / km) +40m5:26 / km ahr:136 max:179 shoes: Salamon Speedcross 4 blue
Two laps of the 2k circuit plus a little extra warm up. Managed 11.56 for the first circuit and 10.20 for the second. Surprisingly, hear t rate was higher for the slower circuit. I need to run 2k to warm up it seems.
Running warm up/down 14:00  2.21 km (6:20 / km) +20m6:04 / km ahr:124 max:136 shoes: Salamon Speedcross 4 blue