Originally Posted by
Fredmertz51
I use the 5th thru 7th mile of the Quad City Marathon Course. I just ride back and forth, and adjust until the computer clicks off on the mile marks. I hear they measure those things pretty accurately for the runners.
Next time I'm in Iowa, I'll bring my bike
I guess I don't really want to get into splitting hairs. I'll just split the difference and call it a day. Thanks for all the help!