I recently joined a cycling club and have been out a number of times in the C group (average 13-14mph with ride distances between 30-40 miles). I am, however, looking to step up to the B group in the coming weeks for a relatively flat 70 miler, with about 2k of elevation (average 15-17mph).
My question is, will I be able to ride that sort of distance? My longest solo ride has been around 50 miles at around 15mph. I know riding in a group is much more efficient, but how much of a difference will it make over those extra 20 miles?
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