Distance and elevation?

So the route maps show one distance and elevation change (IE day 1, 84 miles and 2816 ft of climb) and the host towns sections (https://ragbrai.com/2021-host-towns/) lists 83.4 and 2681 ft of climb. That is a 6.5% difference in climb which is quite a lot. All days have a variance. Why is this?

3 Replies

Matt, July 1, 2021 at 10:03 am

A difference of 135 feet over 80+ miles will not be noticed. The route isn’t physically measured to the mile or ft-climb. No two measurement applications yield the same result. What points are selected in the measurement app to start and end (town center, event center, main camp, private camp, etc)? Fully expect, train, and plan for being over the specs given. Does someone only ride through on the main street or go several blocks to a church for some pie or lunch in pass-through towns, where is the starting and ending campgroud, etc. The RAGBRAI blog has the podcasts from the pre-ride and they share their Strava App results, but again not everyone starts/ends in the same place and the pre-riders visited various town locations along the way.


Rob Fuller, July 1, 2021 at 10:51 am

The hills seem to get steeper and longer as we work our way east. Not sure if this is due to geophysics, or biophysics, or zythology.


KenH, July 1, 2021 at 2:01 pm

Elevation is very difficult to measure. A difference of only 6.5% is quite small.


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