Biking 100 miles? What about the Iditarod Trail Invitational? 350 to McGrath or 1000 to Nome? http://www.alaskaultrasport.com/race%20history.html
barbarameyerm is a BuzzFeed user and their posts have not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can post awesome lists and creations. Learn more or post your buzz!