Originally Posted by Helmet Head
There are two downhill sections where I often ride 25 or more mph on my to work (0.8 miles and 0.6 miles in length), and three sections on the way home (0.5 mi, 0.6 mi, 1.7 mi). And that's on a pretty short, but hilly, route (6 mi each way).
Reaching 25mph and maintaining 25mph are two different things. And these sections you are talking about are
on roads right, not on an MUP that might avoid these hills in the first place.
But the ammount of time you are at or above 25mph is probably less than 90 seconds anyhow.