http://connect.garmin.com/activity/62545907 334C008 Stonehenge route at 1252 x ten circuits for 12 miles. Done in 1:48:07 for 9:00 pace per mile average and 141 bpm average at 81% MHR. Long Run Miles. Splits: 9:41 (132), 9:19 (137), 9:07 (140), 9:02 (143), 8:59 (143), 8:55 (143), 8:48 (143), 8:56 (143), 8:52 (143), 8:50 (144), 8:52 (145), 8:46 (146). I had planned to run the last 8 at MP. I scrapped that plan as there was a storm yesterday and 6-12 inches of snow. Ran in slush. Opted to bring the average pace for the 12 miles to 9:00 pace per mile. Last 7 miles done in 8:46 to 8:56 pace range. MP is 8:37. Mile 4-9 shows exactly 143 bpm. That is doubtful. The HR was probably higher. Never is there that much consistency and usually the HR goes up as miles are piled on. So did I do MP miles today. I would guess that I got 9 MP miles in there versus 8. Mid range HR intensity for MP miles is 144. The last nine miles HR intensity range is 143-146. And my guess is that those six 143s should be higher. The HR monitor kicks in at mile ten and the HR gets progressively higher through mile 12. Ah let me take that back...I should have run eight 8:37 miles. I did not. So I did not run 8 MP miles or 9 MP miles. Maybe next long run I will go for 8 MP miles between the front and back end of the run.
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