50 felt really cold, sad, though it was mostly the wind I'd say. I was passing through Ames so felt like I really should get some more track work in. Still not recovered from weekend though. 5x400m @ 5k with diminishing rests (60->15sec). Then did 5x200m at 3k or so with ~200m recovery. Not bad for being sore, but 75sec 400m didn't feel too easy, maybe it was the wind.