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Hmm. Lap 12 is the full PM-climb (from Arastradero). It show the time 36:29, and not 37:08 as the segment. What happen seems to be that the gps-signal did not catch that I reached Skyline, so my Strava-timing is based on my ride ending on my way back down PM. By using the nice program race shape, one see easily how the gps-signals get off the route when I approach Skyline.