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2009-08-10 - Beep, Beep, Beep, ...

~7 miles @ ~11 min/mi

A meteor, maybe an early Perseid, streaks overhead. A pair of dog-like shapes move off the track and watch me from the infield for the first few laps. A frog hops away from Lane 1, following track etiquette and giving me the right-of-way. Bats flitter into and out of formation, snagging gnats as the sky brightens.

I set off from my Mother's front door about 5:30am and follow the usual route to LBJ High School's track, where I do a "ladder" of 1-2-3-4-3-2-1 laps. I've never tried a heart-rate monitor before, but my brother Keith lends me his. Data suggest that I'm going a bit fast for my age:

939 calories burned, 25% fat — estimated "training zone" 107-139 beats/minute — below zone 1:10, in zone 27:39, above zone 48:30 — average pulse 143 (87%), maximum 170 (104%).

The individual laps look like:

laps split avg end recovery avg end
-15:45132115---
12:111411542:11122108
24:101481512:11124108
36:181501582:19127110
48:221541592:20130111
36:051551642:25132116
23:551571662:08131118
11:441591701:19147121
-13:48148145---

Yesterday's early-morning run may have slowed me today; I push hard on the last few laps to get them under 2 minutes.

^z - 2009-08-16