I’m convinced that anything worthwhile involves sacrifice. To reach a great goal, you have to give up good things. Take sleep, for example. For the last two Saturdays, when many people enjoyed the chance to catch some extra Zs, I set my alarm early to go for a long run. Granted, I enjoyed the morning with some amazing running partners, but I had to sacrifice sleep, embrace sweat, and push through fatigue (and dewy cobwebs along the trail). But I’ll never be ready for my half marathon in November if I don’t. As I type those words, I laugh, because not many years ago, I couldn’t even run a mile.…