At a glance
- Date
- May 1, 2027
- Location
- Sioux Falls, South Dakota
- Distances
- 50K
- Registration
- See ultrasignup.com
- Lottery
- Opens Jun 1, 2026
- Official site
- tuthell50k.com
- Listed from
- UltraSignup
- Last checked
- Oct 4, 2026
Plan this race for free
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
You will perform the 0.31-mile loop up and down Tut Hill 100 times, roughly 90 feet of elevation gain and 90 feet of elevation loss per loop.
Key dates
Lottery opens
Jun 1, 2026
Race day
May 1, 2027
Email me updates about TutHell 50K
Registration openings and major changes, like a new date or a cancellation.
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Similar races
Desert RATS Trail Running Festival by UTMB
Apr 8, 2027Fruita, CO100K, 50K +1
Also 50K, 3 weeks before TutHell 50K, registration open
Behind the Rocks Ultra
Apr 3, 2027Moab, UT50 mi, 50K +2
Also 50K, 4 weeks before TutHell 50K, registration open
Straight-line distance
More 50K Races in South Dakota
All races in South DakotaGlacier Hills Ultra 50K
Nov 7Canton, SD50K, 30K +1
Races Near Sioux Falls
Newton Hills Trail Race
Oct 10Canton, SD6 mi, 2 mi
Duff Dog Backyard Ultra
Oct 10Luverne, MNBackyard Ultra
No Shame Shindig
Jun 12, 2027Pierce, NE50 mi, 50K +2
Conquer The Beast
May 1, 2027Pierce, NE
No Bull Around
May 14, 2027Pierce, NE48 hr
Lost In The Woods
Jun 5, 2027Nicollet, MN25 mi
Race planning
Plan TutHell 50K with Crewable
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Build my planAre you the race director for TutHell 50K?
Claim this race to manage registration, volunteers, and race day.