Tried to do my pace run today. Only had time during lunch and did it on the treadmill at 1% incline. Not sure how much running indoors affected my HR.

Here are my results:

WU @ 10:04
126a 137m

70% @ 9:31
146a 171m

80%2 8:41
159a 178m

85% @ 8:19
169a 188m

90% @ 7:37
183a 196m