Running tempo 16:12 [5] 3.0 mi (5:24 / mi)
4x400m, 1mi, 4x400m. Rep, tempo, rep.
First 4 400s were around 75-77s, tempo mile was 5:56, and last 4 400s were around 76-79, with the last one slower than the rest.
My legs just felt really heavy by the last set of 400s.