The Track intervals 37:30 [4] 8.7 km (4:19 / km)
shoes: Gel-DS Trainer
Thursday means track time. 4x 2km with 200m walk/jog recovery.
All done at 80secs lap pace, dropped a few seconds on the first session but then managed to hold the pace for the rest. Legs were starting to feel pretty dead by the end of the set.