Saturday, April 4, 2009

Syllamo Practice

I went out to Clear Creek today to “train” for the upcoming Syllamo’s Revenge endurance race. My plan was to do a full 50 miles (5 loops), but figured 40 to be more realistic given how drained I felt before going out there. This time around, I decided to use my heart rate monitor to keep my pulse within a reasonable range, 130bpm to 160bpm. According a study on endurance performance I recently read, it is best to keep the heart rate below 75% of your VO2max because the gastric emptying rate is efficient and unimpeded up to 75%. In addition, Glycogen expense is also most efficient at 75% of VO2 Max. (Misner, 1998).

I also experimented a little with various fueling options for the race. I think going with Hammer Perpetium will be my best option. However, I’ll be limited to using it from a bottle since it tends to settle. I figure there will be an aid station every 16 miles, but I’d like to skip at least one of them to save time. I still need to work out the details on fueling.

The Numbers:
Distance: 41.17 miles
Time: 4:46.09
Average Speed: 8.63mph
Max Speed: 21.28mph

It was clean and shiny when I started.

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