An Exercise in Discipline 2 Miles. Every Hour. 24 Hours. Some events test your speed. Some test your strength. 48 in 24 tests your discipline. For 24 hours, the challenge is simple: Complete 2 miles every hour, on the hour, for 24 consecutive hours. Run it, walk it, skip it, burpee broad jump it...just get it done on foot. That's it. No complicated rules. No impossible pace. No elite athletic ability required. Just 24 opportunities to make one decision: Show up. Every hour you'll hear the count…