Today's training: 5 miles, 49:43 (9:56 min/mi), avg 136 bpm
Did this on a treadmill. First mile was at 5.5 mph and heart rate was in low 120s (~122). Next three plus miles were at 6 mph (10:00 min/mi) and heart rate slowly rose from ~132 to ~138. Did the 6 x 100m strides by ramping up the speed to 8.5 mph (7:03 min/mi) and running until .06 miles passed and then ramping down. Max heart rate was 169. My heart rate at a given pace appears to have dropped considerably since starting the Pfitz plan. I'd guess that my heart rate for 10 minutes miles would have been around 145 last fall.
Suunto distance was again well off. At 10 min miles it was saying 9:35-9:40. Total distance was 5.19 miles when treadmill was 5.00. I saw 6.49 instead of 6.2 after the 10K. This indicates it's giving me 4-5 percent too much credit. I really need to figure out just how long my long route is. Knowing what pace I've been doing my long runs at would help me pace myself for the marathon.
I'm concerned my marathon pace run wasn't at 9:01 min/mi. I believe it was definetly slower than that, but not slower than my goal pace of 9:09? I really don't think so. These 4 and 5 percent errors have me worried. I'll have to check the calibration again.
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