Experience the HALF IRONMAN 70.3 Waco, where the swim challenges you to navigate the currents of the Brazos River rather than focusing on graceful strokes. The point-to-point, down-river swim offers adventure and a chance encounter with curious river critters. Not to worry—the water's a comfortable 65°F/18°C, nature's ice bath with a touch of river funk. Now, onto the Heart of Texas bike segment, featuring smooth roads smoother than a freshly buttered pancake. With fewer turns, trust your GPS ...