Set against the breathtaking backdrop of South Korea’s Hallyeohaesang National Park and the pristine coast of Goseong, the Half Distance Triathlon Goseong offers a thrilling yet challenging test of endurance. Our 36-week beginner training plan is specifically designed to help you perform your best on this unique course — even if you're starting from scratch. Why This Plan Works for Goseong With its ocean swim, rolling bike terrain, and shaded, looping run, Goseong demands smart preparation. ...