"Concentration is why some athletes are better than others......You develop that concentration in training. You can't be lackadaisical in training and concentrate in a meet."
- Edwin Moses

Interestingly, it may be that Black dominancy in long distance running may be due to a greater reliance on high intensity training. Surprise, surprise! http://www.pponline.co.uk/encyc/0416.htm

Perform 3-5 rounds of this circuit:

Run 800 meters
Powerclean 15 reps