The planning has already begun. Many of you will by now have chosen and signed up for your big race, with several others pencilled in as well.But just in case you're still wondering where to race, we present the TW guide to some of this year's best
year's event, you're going to want to know something about what you can expect if you succeed. And so we present this guide to the course of the most famous Ironman race in the world.SWIMThe 3.86K (2.4-mile) swim course in the Pacific Ocean
