Tempo33:08  8.74 km (3:47 / km) ahr:176 max:186 shoes: Altra One
4x2.2 km with Ivar at Bislett. We ran pretty evenly 2:04 laps. Was thinking of gradually increasing the pace, but the heart rate was quite high (at least 5 bpm higher than usual for a threshold run) so just stayed at the same pace.
Running warm up/down 35:02  3.64 km (9:37 / km) shoes: Altra One