Running intervals 49:47 5.7 mi (8:44 / mi) ahr:142 max:182 (sick)shoes: Asics Nimbus 11 Metallic Orang
Did 40 beat zig zag for the first time. Did it on the treadmill, which was good. Took heart rate up to 110% of aerobic threshold, down 40 beats, repeat. Should have gone for longer. Next time.