Occassional thoughts about orienteering

Tuesday, August 30, 2011

Toughest leg on the WOC women's middle final?


You can make a case that the leg to 14 was the hardest leg on the entire course for the women's middle final at WOC. I was looking at the splits in WinSplits Pro. I looked at the "performance index" for each leg on the course. Performance index is the average of the fastest 25 percent of the split times divided by the specific runner's split time. The higher the number, the better the runner did on the leg.

For the 14th leg, Helena Jansson had the best time and her performance index was 109.9 percent.

I counted the number of runners who had a performance index of 60 or below on each leg. The 14th leg had 8. That's the most of any leg and it is almost one of every 5 runners.

If you were looking at the entire course, you'd probably pick out one of the legs around 3 through 6 as the one with the most bad performances. Using the performance index and the 60 percent cut off, leg 6 was difficult. On that leg, 6 runners has performance index scores of 60 or below.

Back to okansas.blogspot.com.

posted by Michael | 9:11 PM


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