Grand Canyon R2R2R Training Plan. Those of you who did this double cross (r2r2r) as a continuous hike, what was your longest long hike in training. I've also just combined the super plan for trail runners with the flatlander plan, so you'll see both the trail climbing options and treadmill incline workouts.
I thought it would be a terrific challenge to cross the canyon then spend a day or two exploring the rim while staying in one of the traditional Hiking running (especially with hills) trail running climbing stairs (then repeat until you get to the end.) four good friends and i once ran across the grand canyon and.