2026 Outdoor X12 Endurance Run & Ruck
Sat, Oct 3, 2026, 7:00 AM EDT
- Location
- Dayton, OH
- 1385 Harshman Road, 45431
- Type
- RUN
Sign up and verify details on the organizer’s official page.
Vibe analysis coming soon
Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.
At a glance
Perks & features
- Medal
MedalFrom the public listing — confirm on the official site.
Auto-drafted from the public listing — confirm details on the official event page before signing up.
Distances & registration
2 optionsRegistration for all distances is through the official signup link above.
2026 Outdoor X12 Hours Endurance Run
Sat, Oct 3, 7:00 AM EDT · From $64.60
Opens Feb 15, 2026, 2:00 AM EST · Closes Aug 29, 2026, 7:59 PM EDT
2026 Outdoor X12 Hours Endurance RUCK
Sat, Oct 3, 7:00 AM EDT · From $64.60
Opens Feb 15, 2026, 7:52 AM EST · Closes Sep 26, 2026, 7:59 PM EDT
The course
- —
From the organizer
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.
2.7+ mile loop course and flat! Finisher Medals for those that travel upon the course for the full 12 hours. THE COURSE
4% bike path, 96% grass/trail double track. ADDITIONAL COURSE INFORMATION
Course Map Course Video Official Outdoor Experience Website