I think your sense of power numbers are a bit off. Obviously avg speed is course dependent. I averaged 26 at eagleman on 255w, and 23 at timberman on 275w (76kg). Elevation change, pavement, wind, other athletes all make a huge different in speed. I know a lot of pros who are riding well over 300 watts in halves and are much smaller than me.

Josh's preset ftp on his garmin is obviously wrong, but I'm not surprised it took that much power to go 4:30 at kona. Keep in mind he was out there later in the day than the pros (a full hour) and was riding solo the entire time. The wind picked up a lot as the day went on.

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