When I first moved to Colorado Springs, I thought everyone was just making excuses about the altitude. “Oh, you’ll get used to it,” they said. “Just give it a few weeks.” Yeah, right. Then I tried to do my normal workout routine and nearly passed out after ten minutes on the treadmill. Turns out, they weren’t kidding. Colorado Springs sits at about 6,000 feet, which doesn’t sound like much until you’re huffing and puffing like…