Today did 2x2 miles on the Walnut Creek Trail. The first interval was better than last week - 9:54 (4:55 and 4:59). The second interval started well (4:54) but then I ran into the same instability issue I had in the Deseret News half - all I could do for the last mile was 5:21.
I was going just by the mile markers - so it's probable that the course is a little off. Also, the heat and humidity really take a toll. So it's hard to tell exactly what shape I'm in. Hopefully as things cool off it will get easier, but we'll see.
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