moderate speed (track, spikes): {~1290m @ 4:01.6 / 5:03 min/mi, 1km=3:06/4:59min/mi} + {~820m @ 2:37.9 / 5:07 min/mi} + {400m @ 1:08.8 / 4:35 min/mi} + {200m @ 30.0 / 4:00 min/mi, top/s = 17.0 mph}