Notes
Started out easy and finished hard. Probably too hard but all very flat miles in DC. First two miles were an easy warmup then pushed the pace through mile 8.
Splits:
9:56, 133 bpm
9:43, 140 bpm
9:04, 145 bpm
8:51, 148 bpm
8:24, 152 bpm
8:34, 154 bpm
8:40, 152 bpm
7:44, 159 bpm
9:52, 146 bpm (pace for last half mile).