About
The World’s Fair Ultras in Knoxville, Tennessee, offers a celebration of endurance and community on a fast, flat, USATF-certified loop course downtown. Runners can choose 12- or 24-hour challenges, all while enjoying the festive vibe with food trucks, music, and community support. It’s a race that recognizes dedication, offering a special belt buckle for those reaching the 100-mile mark. This event is not just about crossing a finish line; it’s about embracing the human spirit and pushing beyond limits, making each participant feel valued. Whether you’re new to ultras or a seasoned veteran, this race invites all backgrounds and paces to partake in an exceptional journey in the heart of Knoxville.
Races
50K
Apr 17, 2027 (Sat) - 08:00
Distance
50 km
Terrain
Road
Entry fee
$90
80K
Apr 17, 2027 (Sat) - 08:00
Distance
80.5 km
Terrain
Road
Entry fee
$115
100K
Apr 17, 2027 (Sat) - 08:00
Distance
100 km
Terrain
Road
Entry fee
$145
24h
Apr 17, 2027 (Sat) - 08:00
Distance
24 hr
Terrain
Road
Course
Multiple loops
Entry fee
$185
12h
Apr 17, 2027 (Sat) - 08:00
Distance
12 hr
Terrain
Road
Course
Multiple loops
Entry fee
$145
6h
Apr 17, 2027 (Sat) - 08:00
Distance
6 hr
Terrain
Road
Course
Multiple loops
Entry fee
$90
Weather history
Temperature
47°F / 68°F
Feels like
43°F / 66°F
Avg sunshine hours
9h 28m
Avg rainfall
0.13 in
Avg snowfall
-
Max wind speed
10.8 mph (Gentle breeze)
Sweat loss rate
Moderate
Trail conditions
Firm and mostly dry



