
Tie Dye 50k
Date
Sat, May 16, 2026, 7:30 AM EDTDistance
50KUltra
Quick take
Embrace the challenge of a scenic, cupless 50K ultra through Ohio's beautiful John Bryan State Park, complete with a tie-dye theme.
Best for: runners who like a competitive edge
Race feel
- Scenic
- Competitive
- Quirky
Great for
- All Genders Welcome
Discover the Tie Dye 50K, an annual ultra-marathon set within Ohio's stunning John Bryan State Park. Runners will traverse a challenging three-loop course through a remarkable limestone gorge and along the scenic Little Miami River. This cupless event emphasizes self-sufficiency and offers robust aid stations, along with an early start option for those managing the 9-hour cut-off. Celebrate your accomplishment with a finisher award and a unique tech t-shirt.
What to expect
Past results at a glance
Past race snapshot
What the field usually feels like
Based on past public results. Helpful context, not a prediction.
Selected year + distance
79 finishers in 50K
Ranked by gun time when available
Very small finish count here - use this as loose context, not a race-day expectation.
Crowd
Small field
79 50K finishers. A quieter race where the pack may spread out more quickly.
Typical finish
6:46:18
Middle-of-pack benchmark using gun time when available.
Competitive feel
Lively front
The faster end moves well, but the race still has room for everyday runners. Front-group read: 4:58:59.
People mix
More men
About 23% women and 75% men among finishers who listed gender.
Quick read
For the 50K in 2025, this looks like a small field: 79 finishers in this data set. A middle-of-the-pack finish was around 6:46:18. The quicker front of the field averaged about 4:58:59. Use it as a feel check, not a promise about race day.
Fastest finishers in this file: 4:15:44 (male) and 5:07:29 (female).
Show historical award cutoffs3 rows
Cutoff = slowest posted time still inside the top finishers for a division.
| Division | Gender | Top N | Cutoff | Source |
|---|---|---|---|---|
| Overall | Unspecified | Top 3 | 4:56:00 | finish-order sample |
| Female | Female | Top 3 | 5:33:42 | finish-order sample |
| Male | Male | Top 3 | 4:56:00 | finish-order sample |
Show the year-by-year numbers
| Distance | Year | Finishers | Typical | Average | Front 10% | Fastest M / W |
|---|---|---|---|---|---|---|
| 50K | 2025 | 79 | 6:46:18 | 6:58:36 | 4:58:59 | 4:15:44 / 5:07:29 |
Last summary update: May 9, 2026
Ready to register?
Finish signup on the organizer site (check fees and dates there).
From the organizer
Annual Tie Dye 50K Day: May 16, 2026 Race Start Time: 7:30 AM COURSE DESCRIPTION “John Bryan is the most scenic state park in western Ohio. The 752-acre park contains a remarkable limestone gorge cut by the Little Miami River which is designated as a state and national scenic river.
Read full descriptionHide full description
A portion of the gorge itself is designated as a national natural landmark. ” Tie Dye 50K IS CUPLESS! This means there will not be cups pre-set at any aid stations. An ORRRC collapsible, reusable cup is available to be added to your registration for $3 and the cup will be provided at packet pickup. Please carry it with you as well as your water bottle. There will be absolutely no cups at aid stations (you will need to use your cup if you want to drink Coke or Ginger Ale, or grab some pretzels to go). COURSE OVERVIEW 3 loop course traversing through beautiful John Bryan State Park–and is the same popular course used the last 4 years. Each loop will be approximately 10. 3 miles. The course maps are available below. AID STATIONS AID STATIONS: Fully manned aid stations at miles 5, 10. 3, 15. 3, 20. 6, 25. 6. Water only station at miles 2. 2, 7, 9, 12. 5, 17. 3, 19. 3, 23, 27. 6, and 29. 6. Our fully man aid stations will include: water, Gatorade, chips, pretzels, pickles/pickle juice, peanut butter and jelly sandwiches, bananas, and cookies. Newly Built restrooms are available near the start/finish shelter aid station. DROP BAGS You can have drop bags at miles 10. 3 and 20. 6 (Start/Finish). For the safety of you and others, you will manage your own drop back and the volunteers will not access them. PACKET PICK-UP Packet pick-up will begin at 6:00 a. m. on Saturday, May 16th, at the shelter in the campground. Enter the park and park in the first parking lot on the right after the park office. The shelter is up against the hill on the left outside of the parking lot. PARKING John Bryan State Park, Yellow Springs, Ohio. We will fill the main lot (I will have at least two spots coned for the course). We will also have volunteers helping direct runners to other parking areas. Do not park in the campground unless you have a camping permit. CUT-OFFS For the safety of the runners and the comfort of the volunteers, cutoffs will be enforced. Total completion time is 9 hours or 4:30 p. m. To complete within 9-hours you must start your third loop by 1:30 p. m. The sweeper will begin sweeping at 2:00 p. m. and you must stay ahead of the sweeper. EARLY START OPTION Back again this year! We are allowing an early start option for those concerned about the 9-hour cut off. Runners, after checking in at packet pick up, can begin their run as early as 6:30 AM for an early start. Early start runners will only be eligible for a finisher award. FEES AND REGISTRATION DETAILS Your $60 non-refundable registration includes a short-sleeve lightweight tech t-shirt. LAST DAY TO BE REGISTERED WITH GUARANTEE OF SHIRT IS APRIL 17th, 2026 Please note: In years past we have sold out and had to start a waitlist. We will accept online registrations through May 14th or when we reach race capacity, whichever comes first. Please contact the race directors by using the link below if registration is closed or sold out to inquire about the waitlist and registration. As noted above, the registration fee is non-refundable. There are also no deferrals allowable to another year or another ORRRC race. AWARDS Awards for top three overall female, male, and non-binary runners* and a finishing awards for all who complete the course within the 9-hour cut-off. “Dig Down Deep” award for the last finisher who completes both loops within 9 hours. *Awards will be ordered based on participant registrations received by April 21st. If no participants are registered in a particular gender category, including non‑binary, by that date, awards for that category will not be ordered. RACE DIRECTOR Ashley (Eder) Hartoin and Al Eder