Notes
Started out too easy, learned how to push closer to threshold after first half. HR stayed nicely within 88-92% of max. Consistent with a VDOT around 53.
Lap time / lap avg hr
1:42 148
1:41 169
1:42 172
1:43 174 6:48 mile
1:41 173
1:38 176
1:37 178
1:39 178 6:35 mile
1:37 178
1:39 176
1:38 176
1:36 179 6:30 mile