TutHell 50K is an endurance challenge like no other, inviting runners from around the globe to tackle a unique and grueling course set against the backdrop of Tut Hill. The race unfolds over a meticulously marked loop that spans just under half a mile in length, with participants completing this circuitous journey a full hundred times. Each lap ascends 90 feet before descending an equal distance, demanding both physical prowess and mental fortitude. The event's registration process is distinctive; entrants must submit an essay explaining their motivation for running TutHell to the race committee during the designated window from June 1st, 2026 through April 21st, 2027. Selected runners will then receive a personalized invitation allowing them to register on Ultrasignup. TutHell is not just about personal achievement; it's also an opportunity for participants to give back to the community by pledging funds that will be split between two chosen charities of the male and female champions, with each charity receiving $5,000. This free-will donation model encourages runners to contribute generously while fostering a spirit of generosity among competitors. The race atmosphere is one of camaraderie and mutual support, as participants are encouraged to bring along a support person who can assist them throughout the day's challenges. A fully stocked aid station awaits at the summit near the bathrooms and storm shelter, offering essential supplies for runners pushing through the long hours. TutHell 50K is designed not only to test physical limits but also to build community bonds among runners and supporters alike. With a cutoff time of twelve hours, this event promises an unforgettable experience that combines breathtaking scenery with heartfelt camaraderie. The terrain, marked clearly for navigation, features steep climbs and descents over grassy sections and single-track trails. The loop begins near the large tree at the hilltop's edge, winding down to a flat section before climbing back up via the right side of Tut Hill towards two small trees where runners turn left to return to their starting point. TutHell 50K is more than just a race; it’s an invitation to push your limits while supporting meaningful causes and connecting with fellow endurance athletes in one of Pennsylvania's most scenic locations.
Races Offered
TutHell 50K
May 01, 2027
straighten
Distance —
50K
terrain
Type —
Running
timer
06:15
Weather History
These values represent the 3-year monthly averages for May in Sioux Falls.
thermostatTemperature
10.6° / 22.2°
wb_sunnyFeels like
7.2° / 18.8°
light_mode
Avg sunshine hours
11h 37m
water_drop
Avg rainfall
3.5 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
15.0 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
High (6.0)
humidity_mid
Humidity
59.4%
wb_twilight
Sunrise
06:01
nightlight
Sunset
20:45
About Sioux Falls
Learn more about the host city, Sioux Falls.
Sioux Falls is a city of about 184,000 (2019) in Southeast South Dakota. Founded in 1883 in what was then known as the Dakota Territory, Sioux Falls has grown from a sleepy Midwestern town into a resort for shopping and tourism in the northern Great Plains. It is widely recognized as the largest urban center between Minneapolis and Denver.