Originally Posted by
bikerjp
Perfect. Then this would seem to settle the debate about whether or not hills impact your average speed. Clearly we can all do better than 7.6 mph average on flat roads - many people claim over 20 mph. Up and down 12% grades would seriously impact our average and your other examples also show similar, although less severe, impacts on average speed.
TAAAAA DAAAAAAAAAAAAAAAAA!
/Thread.