Epic Trail Adventures: 5 Bucket-List Ultra Running Routes in the USA
1. 🏜️ Grand Canyon Rim-to-Rim-to-Rim (R2R2R) — Arizona Distance: ~42–47 miles (67–75 km) round tripElevation Gain: ~10,500 ft (3,200+ m)Best Season: Spring (April–May) or Fall (October–November) The Rim-to-Rim-to-Rim (R2R2R) route is more than a test of endurance—it’s a journey across time and geology. You’ll begin at the South Rim of the Grand Canyon, descend steeply … Read more