Route: Tin Pants then Gypsy Drum, in WhistlerDistance: 5.5kmElevation Gain: 82mMoving Time: 44mDifficulty: green This is a momentous occasion, as both Big Bro and I unlocked a new sport at the same time: Mountain Biking! I was somewhat hesitant at first, seeing even I’ve never done a proper mountain biking ride myself. Big Bro and…