I will complete both canyons (measured from bike to bike) in under 6 hours (http://bit.ly/eftmXP)

Created by Ben Doherty on 2011-02-19; known on 2011-02-20; judged wrong by Ben Doherty on 2011-02-20.

• Ben Doherty estimated 50% on 2011-02-19
• Ben Doherty   judged this prediction wrong on 2011-02-20.