20 PU, 20 SU, 20 ext, 20 PU, 20 SU
total running time 44:39.
5 x 1000 meters 4:39, 4:36, 4:39, 4:38, 4:38. 1 minute rest(100 meters) in for 3 rest periods and the 1:30 for the rest between 4th and 5th.
this was the best lactate threshold work-out I avhe had in years. I am wasted but happy.
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