Treadmill intervals 42:20 4.0 mi (10:35 / mi) +65m10:05 / mi ahr:133 max:164 shoes: Asics Gel-Nimbus 16
5 x 0.25 mi at 7.5, 7.6, 7.7, 7.8, 7.9 mph with ~80 sec recovery (walk/slow jog for 0.1 mi). Inadvertantly did the first one at 7.5 min/mi (8.0 mph) - oops - those reciprocals are just so confusing. Did a longer/slower warm-up than usual (1.5 mi @ ~11 min/mi).