Day 43 of 75 Hard: Trail + Stairs Grind

Read moreThis morning hit different. Started with 4 laps up Garvin Heights for the slow grind. Then ran 2 laps around Chickadee Trail with my heart rate averaging 172 bpm. Grand Canyon Rim-to-Rim is 21+ miles — but the full trip covers 40+ miles across 3 national parks in 3 days. Day 43 of 75 Hard. No