Get ready to experience the ultimate test of endurance at Ironman Tulsa, situated in the heart of Oklahoma's vibrant city of Tulsa. This event is a triathlon like no other, with a challenging course that will push you to your limits and leave you with a sense of accomplishment like no other. The swim segment of the race takes place in the crystalline waters of Keystone Lake, just a short drive from downtown Tulsa. The lake offers a scenic backdrop for the 2.4-mile swim, with calm and clear ...