Rim to Rim to Rim in Two Days

On May 22 and 23, I hiked the Grand Canyon rim to rim to rim (R2R2R). Here are my notes on planning and preparing for that incredible and challenging experience! Please leave a comment if you find this information helpful or if you have any questions! Training The best way to train for a really long, challenging hike is to do really long, challenging hikes.  I firmly believe that it’s necessary to build up to 15-20+ mile hikes on a regular basis before you attempt rim to rim to rim.  Other training modalities do carry over into hiking, but there is nothing that replicates the pounding, climbing, stepping down, etc involved in hiking. Caluses build up over time and prevent blisters.  Your stability and balance improve as you hike.  You become mentally accustomed to exercising for hours on end.  These are all important elements to preparing for a hike like rim to rim to rim. My baseline fitness regimen is doing Crossfit 5 days/week.  8 months prior to our hike I started training on the