Certified Piedmontese Beef IRONMAN Tulsa, part of the VinFast IRONMAN US Series is the perfect race for those who want to push beyond their limits and unleash their inner spirit. You’ll need grit, determination, and an unbreakable spirit. This race will push you past your limits and drive you to dig deep within yourself for what it takes to finish this epic 140.6-mile journey. Keystone Lake, the lush rolling hills at the foothills of the Ozarks, Guthrie Green, and vibrant downtown Tulsa are where you’ll be challenged. Certified Piedmontese IRONMAN Tulsa has it all – scenic views, challenging terrain, and one of the most electric atmospheres in the country, all tucked away in Eastern Oklahoma,