When you think of healthy fats, you can think of peanuts, peanut butter, and peanut oil. That is because at least half of the fat in peanuts is heart-healthy monounsaturated fat, the kind found in olive oil and avocados. And over 30% is polyunsaturated fat; another good fat important in a healthy diet.
At half the distances of a full Ironman -- a 1.2-mile (1.9-kilometer) swim, 56-mile (90-kilometer) bike ride and a 13.1-mile (21-kilometer) run -- the Ironman 70.3 series is the fastest growing triathlon series in the world.
4. Amateurs race on the same course as professionals. The Ironman triathlon is the only race that I know of where amateurs race not only on the same course as the professionals, but at the same time. And it's a close window â the amateurs start just 30 minutes after the professionals have set off.