2026 Outdoor X12 Endurance Run & Ruck
Dayton, OH
Sat, Oct 3, 2026
In 61 days · Sat, Oct 3, 2026
Don't let race day sneak up
One email during race week. That's it.
Saturday, October 3rd, 2026
1385 Harshman Road, Dayton OH
See race page
55–73°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
56–83°F
dry
2024
50–73°F
dry
2023
58–83°F
dry
2022
44–66°F
dry
2021
65–75°F
rain
2020
45–62°F
dry
2019
67–89°F
dry
2018
64–81°F
dry
2017
56–79°F
dry
2016
52–70°F
dry
Best months to race in Ohio →
About this race
THE RACE
The Outdoor Experience 12 Hour Race (affectionately known as the OX12) is produced in collaboration with Five Rivers Metroparks and the Subaru Outdoor Experience.
- Course Length: 2.7+ mile loop course and flat!
- Finisher Medals: Finisher Medals for those that travel upon the course for the full 12 hours.
THE COURSE
- Surface Composition: 4% bike path, 96% grass/trail double track.
ADDITIONAL COURSE INFORMATION
- Course Map: View Here
- Course Video: Watch Here
- Official Website: Visit Here
EVENT DETAILS
Date: 2026-10-03
Location: 1385 Harshman Road, Dayton, OH
Register: Click Here
Course map
Train with a club
Run clubs near Dayton to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.