The leaders on the more Easterly routes have had an incredible average speed overnight, there's no way they can do that constantly.
That Canyon 42:26 1200km last year you do the math.
Or Google can:
(1200 km) / (42 hours 26 minutes) = 28.2796544 km per hour
@Velocio started
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That Canyon 42:26 1200km last year you do the math.