2026 Outdoor X12 Endurance Run & Ruck

2026 Outdoor X12 Endurance Run & Ruck

Date: Saturday, October 3, 2026

Location: 1385 Harshman Road, Dayton, OH 45431, US

Description: The Outdoor Experience 12 Hour Race (OX12) is a timed event produced in collaboration with Five Rivers Metroparks and the Subaru Outdoor Experience. Participants complete laps on a 2.7+ mile loop course that is mostly grass/trail double track with a small portion of bike path.

Events:

• 2026 Outdoor X12 Hours Endurance Run
  Price: $60 (increases after August 29, 2026)
  Time: 7:00 AM EDT - 7:00 PM EDT
  Open to ages 16 - 99.
• 2026 Outdoor X12 Hours Endurance RUCK
  Price: $60 (increases after September 26, 2026)
  Time: 7:00 AM EDT - 7:00 PM EDT
  Open to ages 16 - 99.

Awards: Finisher Medals for all who complete the full 12 hours. Engraved mileage awards for those exceeding 35 miles. Awards for 1st, 2nd, and 3rd overall male and female finishers.

Rules: Must be on the course throughout the event. You must be on course at 7:00 PM. This is a time-based event, not distance-based.

Support: Aid station with Tailwind Performance drink, water, chips, pretzels, PB&J, and other food items at the start/finish.

Organizer: Larry Chow (Race Director)

Contact: [email protected]