Undoubtedly an old topic here, though I have not searched the archives for it. This question arose for me in the context of calibrating on pavement to measure a few off-road 5 and 10Ks.
I also wondered about this recently while measuring on downtown roads in traffic, where I had to use the handlebar-clamp method several times instead of riding the tangent. do we have any standards for "too long"?
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