Frontline OCR

MAY
23
2026
Frontline OCR on May 23 at Byron Motorsports Park challenges athletes with purpose built obstacles honoring military, veterans and first responders. Choose from 10K Elite, 5K, Ruck or a kid's course for all ages and abilities.
Sat 23 May 2026
9:45 Am Open 5k Team of 10 (5k or 10k Ope... Team of 20 (5k or 10k Ope... Team of 5 (5k or 10k Open... Endurance

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Event overview

Frontline OCR is an obstacle course event hosted by the Frontline OCR Foundation, a 501(c)(3) nonprofit. The event is designed to honor military personnel, veterans, and first responders by staging obstacles that reflect physical and mental demands faced in the line of duty. Obstacles are described as purpose-built; the course does not include scheduled breaks. The event date is May 23, 2026. The venue is Byron Motorsports Park, 2525 E Ash Rd, Byron, IL 61010.

Distances and divisions

  • 10K Elite and competitive/non-competitive options
  • 5K Open and team options
  • Ruck division
  • Kid's Course for ages 5 - 13

Entry details and limits

Individual event prices listed in the source range from $39 (Kid's Course) to $119 (Special Forces - 10K Elite). Several adult events list age eligibility as 14 - 99, and the 5K lists 14+. Some events show limited available spots and note that prices increase after February 15, 2026 at 11:59pm CST. Team entry options include Team of 5 ($400), Team of 10 ($750), and Team of 20 ($1,400); team registration windows end May 22, 2026 at 11:59pm CDT. Visit the organization's website for the most recent information.

10 km
Endurance
10 km
Heroes 1 - Competitive 10k
10 km
Heroes 2 - Non-Competitive 10k
10 km
Open 10k Waves
10 km
Special Forces -10k Elite
10 km
Team of 10 (10k Open or Ruck)
10 km
Team of 5 (10k Open or Ruck)
5 km
9:45 Am Open 5k
5 km
Team of 10 (5k or 10k Open or Ruck)
5 km
Team of 20 (5k or 10k Open or Ruck)
5 km
Team of 5 (5k or 10k Open or Ruck)
Kid's Course
Ruck Division