Brad Feld

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The Real Boston Marathon Elevation Chart

Apr 22, 2006

I finally got around to downloading my Boston Marathon data from my Garmin 301.  I thought the GPS based data was extremely interesting, especially when compared to the official course elevation map.  Following is the official elevation map:

Following is the map from my GPS post race:

Notice all the hills that get smoothed out in the official map, especially between miles 15 and 23.