World's Fair Ultras

The World's Fair Ultras, held in downtown Knoxville, Tennessee, is a unique ultrarunning event celebrating human potential and community spirit. Set on a USATF-certified 0.55-mile flat loop at World's Fair Park, the race offers multiple distances including 3-hour, 6-hour, 12-hour (day and night), 24-hour, 50K, 50-mile, and 100K events. Participants enjoy a supportive atmosphere with a central aid station, personal aid areas, food trucks, music, and easy access from nearby hotels.

The course is ideal for setting personal records or Tennessee state running records, welcoming runners of all levels to push their limits in a festive, inclusive environment. Visit the organization's website for the most recent information.