ORRRC 200K NO WAY! 300K GRAND SLAM!
About this race
To successfully complete this challenge, you MUST be listed as an official finisher within the cutoff time in the following ORRRC 50k Trail Series races.
200k NO WAY! – 4x 50k races
300k GRAND SLAM! – 6x 50k races
**** This registration is to enter the Challenge only and does not include entry to any of the races below. You will need to register for each of these races individually to run them. ***
The ORRRC Ultra races include:
- Tie Dye 50k, May 17, 2025, 7:30 am
https://www.orrrc.org/races/apr-jun/tie-dye-50k - Dawg Gone Long Run 50k/50 miler, June 28, 2025, 6 am
https://www.orrrc.org/races/apr-jun/dawg-gone-long-50kmiler - Another Dam 50K, August 17, 2025, 8 am
https://www.orrrc.org/races/jul-sep/another-dam-50k-and-25k - Germantown 50k, September 6, 2025, 8 am
https://www.orrrc.org/races/jul-sep/germantown-50k - OX 12 Hour Endurance Run, October 4, 2025, 7 am
https://orrrc.orhttps://www.orrrc.org/races/oct-dec/ox-12-hour - Broken Toe 50k, November 1, 2025, 8 am
httphttps://www.orrrc.org/races/oct-dec/broken-toe-50k25kruck
Challenge Duration
May 2025 - Nov 2025
Registration Deadline
All participants must register by Nov 1, 2025.
Register Now $35. / April-May 16 $50 / May 17-Nov 1 $65.
Results Submission
You will need send me a message that you have completed the challenge by Nov 2025, so we can verify the results.
Awards
Awards include Recognition at the Annual ORRRC Party in January 2026, a magical* jacket for 200k finishers and an additional teleportation* hat for 300k finishers! (Your mileage may vary on magic and teleportation skills)
No Swag Green option is FREE: You will get Recognition at the Annual Party and a sticker!
Pick your distance
Running
200k NO WAY! 300k GRAND SLAM!
To successfully complete this challenge, you MUST be listed as an official finisher within the cutoff time in the following ORRRC 50k Trail Series races. 200k NO WAY! – 4x 50k races 300k GRAND SLAM! – 6x 50k races
200k NO WAY! 300k GRAND SLAM! - No Swag
NO SWAG OPTION -- To successfully complete this challenge, you MUST be listed as an official finisher within the cutoff time in the following ORRRC 50k Trail Series races. 200k NO WAY! – 4x 50k races 300k GRAND SLAM! – 6x 50k races
Typical race-day weather
Based on 13 years of Open-Meteo archive data for this event's race dates in Dayton, plus the 3 days either side.
The sun rises at 6:20 AM and sets at 8:45 PM local time (EDT) in Dayton on May 16, 2026 — 14h 24m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Orrrc *Members Only* Cpr/Aed Training
🏃 Plan Your Next Race in Dayton
Find upcoming events by distance:
- Dayton 5K Races 36 races
- 10K Run Events in Dayton 2 races
- Dayton Half Marathons 2 races
- Dayton Running Calendar 2026 51 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 53 Dayton events
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