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2025 Hell Creek Runner’s Manual
Download the RM for information on rules, aid stations, drop bags, lodging, and everything else you NEED to know before race day!
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All runs will take place on the Switchgrass Mountain Bike Trail at Wilson State Park. The 100 has the most elevation gain and loss of any 100-miler in Kansas! If you’re looking for a challenging course in the “flatlands” you’ve found it. The trail is easy-to-follow, rugged, single-track with very few trees/wooded areas. Beautiful views of Wilson State Park and Wilson Lake are abundant.
Start times:
100 miler – 6:00 AM Saturday, 10/31/26
100k – 6:30 AM Saturday, 10/31/26
20 miler & 10K– 7:30 AM Saturday, 10/31/26
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A previous 100-mile finish is required for sign-up for THE PURE HELL 140 (any 100-mile race will do). If you have a completed a 100 on Ultrasignup feel free to just sign-up. If you have completed a 100 miler (that you can prove) that was not listed on Ultrasignup please reach out to us prior to sign-up to learn what steps to take.
The races consist of 20(ish) mile loops with no repetition. One loop for 20 milers, three loops for 100k runners, five loops for 100 milers, and seven loops for 140 milers. The 10K will take a cutoff and be a shortened version of the loop.
The course is heavily marked with ribbons and wrong-way signs. It is very easy to follow. Getting off course shouldn’t be an issue.
There are restrooms at the start and finish, with porta-potties at Hell Hill aid station. There is no aid station on-course for the 10K. Runners in the 10K should carry all they need for the (heavy) 10k. There are hot showers open year-round at the start/finish & Big Bluestem Campground, which is about ¾ mile from the start/finish.
At the aid stations, Proxima C will be the featured electrolyte/carbohydrate drink. There will also be typical aid station items available.
Photographers will be there all day Saturday to capture all the highs and lows. All pictures are available for FREE to download within 1-2 weeks of the race.
100k – Shirt with race logo/sponsors, drawstring bag, and coffee mug. Finishers will receive a distance-specific 100k buckle and a beer.
100 milers – Shirt with race logo/sponsors, additional swag item TBD, and bag. Finishers will receive a distance-specific 100-mile buckle and a beer. Sub-24-hour finishers will receive a sub-24 buckle in place of the traditional 100-mile buckle.
PURE HELL 140 milers – Pure Hell 140 shirt, additional swag item TBD, and a bag. Finishers will also receive a Pure Hell 140 finishers’ buckle and a beer.
*Additional small freebie items will be included in swag bags
**Correct shirt sizes are not guaranteed for entries within 3 weeks of the race. Additional merchandise can be purchased in the Ultrasignup store.
FUR-BABY AWARDS! If your pup (or cat) runs with you (even if it’s just across the finish), we will give him/her a pup-specific Hell Creek medal that can be worn on a leash/harness!
Race credit will expire after 1 year.