We've been in granny gear for so long and still this hill persists. We push, we breathe, we sweat under the relentless sun. Finally, the road begins to level out, and we reach for the Podium Ice Water Bottle in our cage. With the slightest amount of pressure from our fatigued grip the high-flow valve releases an icy, soul-reviving rush of electrolytes to give our oxygen-deprived muscles some nourishment and courage to pick up the speed.