World's Fair Ultras

APR
18
2026
Read all about the World's Fair Ultras on 18 Apr 2026 in Knoxville.
Sat 18 Apr 2026
3 Hour 50k Event 6 Hour 50 Mile Event 100k Event

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About the race

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. The course is fast and spectator-friendly, with central aid stations and space for personal aid setups.

Participants enjoy perks like food trucks, coffee, ice cream, and live music. The event welcomes runners of all levels, emphasizing kindness and giving full effort in a supportive atmosphere. Visit the organization's website for the most recent information.

24 hr
24 Hour
12 hr
12 Hour Day Event
12 hr
12 Hour Night Event
100 km
100k Event
50 mi
50 Mile Event
6 hr
6 Hour
50 km
50k Event
3 hr
3 Hour

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