10x800s (3:12 each @6:27) with 0.25 miles recoveries on treadmill. Ran the 2 miles easy to and from the gym as the subway was still down. 11 miles in total, but I'm only counting 9 because I walked my recoveries :) This was the hardest speed work I've done. I did a fairly extensive plyo session on Sunday and then followed by 10 miles on Monday, I think my legs were tired even with a rest day in between. It was the first time I really felt lactic acid build up in the later intervals. Great to be done though. Oh and if you do speed work on a treadmill then run outside, it feels like you're flying.
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