Notes
AIM: z1/2/3 Incr Int (4/4/2) for 40 mins
Felt OK...was in lower half of z3 outbound...had to go a LOT slower on the way back to keep HR in correct zone.
Splits: 7:42, 7:48, 3:47 (19:18), 4:37, 7:41, 8:11 (20:30).
Recovery: approx 23 mins (including 11:16 run/walk cool-down).