Iron Will 100
Sep 18, 2027Junction City, KS36 hr, 100 mi +2
Also 50K, 88 mi from Hell Creek Half & 50k
Hell Creek Half & 50k
Sylvan Grove, KansasUltraverse Supplements
- Half Marathon entry
- $125
- Aid stations
- 4
- Days to register
- 300
At a glance
- Date
- Aug 21, 2027
- Location
- Sylvan Grove, Kansas
- Distances
- 50K, Half Marathon
- Elevation gain
- 3,000 ft
- Aid stations
- 4, 1 with crew access
- Registration
- Closes Aug 18, 2027, via ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
4 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
Ultraverse Supplements organizes a portfolio of trail ultra marathons and timed races across Kansas, Nebraska, and Colorado, ranging from backyard ultiples and 6-hour timed events to 200-mile point-to-point footraces. Their races emphasize community, grit, and unique formats including last-man-standing backyard ultras, multi-route timed events, and multi-day distance challenges.
Key dates
Registration closes
Aug 18, 2027
Race day
Aug 21, 2027
Pricing
50K
After Dec 30
$160
1/2 Marathon
After Dec 30
$125
Email me updates about Hell Creek Half & 50k
Registration openings and major changes, like a new date or a cancellation.
Aid stations
4| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Start/Finish Manned aid station and start/finish area. Crew is allowed here. | 0.00 miles | -- | typical ultra foodwatersodaProxima C Endurance Fuel | ||
Unmanned Water/Proxima C Station Unmanned station at approximately mile 5. | 5.00 miles | -- | waterProxima C Endurance Fuel | ||
Hell Hill Manned aid station. Half marathon runners reach it at around mile 10 before taking the cutoff toward the finish; 50K runners continue on the Hell Creek Loop and return to Hell Hill. | 10.00 miles | -- | typical ultra foodwatersodaProxima C Endurance Fuel | ||
Unmanned Hell Creek Loop Water/Proxima C Station Unmanned station around mile 13 on the Hell Creek Loop; applies only to 50K runners. | 13.00 miles | -- | waterProxima C Endurance Fuel |
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
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Hell Creek 100
Oct 30Sylvan Grove, KS
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Also 50K, the same weekend as Hell Creek Half & 50k, registration open
Straight-line distance
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Race planning
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