One of my favourite methods of fitness training is by using Fitness Challenges. I mean everyone loves a challenge, right?! There are a number of ways to do it, but to me the best way is to use either reps or distance. If you're using reps, then pick a number like 300, 400, or 500. Then pick some exercises and an appropriate number of reps so they'll add up to the total number. For distance, take something like a football field or perhaps a large parking lot. Cover the distance with various drills. They could be anything. My martial arts teacher…