Yesterday team Ssideline City ran up a mountain! We raced the Peak Performance Vertical K. A race where you run, walk, or crawl 5km while you gain 1000m in altitude. For those of you who call themselves trail-runners this might be another day in the office… (In our defense, you are a hybrid between a mountain goat and a human). But for the rest who, like us, consider themselves leisure runners this was no easy task. Especially, if you come from the plains in Spain, and train