I just thought I would mention a pattern that I see constantly on these forums. After a year of constant cycling, my avg MPH is hovering around the 13mph mark on a 40 mile ride - and thats pushing it. However, in numerous threads I repeatedly see reports of avgs in the 17,18,19 and even 20+mph catergories. Now, correct me if I am wrong, but didnt the "2011 USA Cycling Pro Time Trial Championships":
report the winner averaging 25mph? If so, it looks like we have a bunch of Clydes who are almost Tour De France caliber!
How are people calculating their average speed? If its calculated on riding downhill with a tailwind, then I may be able to beat the World Champions this weekend on my way to Wendy's