Originally Posted by
robtown
A 60+ rider riding a TREK with aerobars smoked past my powered recumbent trike today. He consistently rode 27+ mph and peaked at 35mph for awhile. I hope to be like him when I age (just over 2 years to go).
How do you know how fast he was riding?
I can tell the difference if the people who pass me are going "fast" or "really fast", but I can't quantify it.