The Prouty is a very popular charity ride based out of Hanover, NH. They have both running and cycling events ranging from a 1k walk to 100 mile ride. There is also a 200 mile, 2 day event named the Ultimate Prouty that I have rode support for in the past: http://theprouty.kintera.org/faf/home/default.asp?ievent=320368http://theprouty.org/
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