Frontline OCR

MAY
23
2026
An obstacle course event at Byron Motosports Park honoring military, veterans and first responders. Multiple race options include 10K, 5K, ruck, kids course and team entries organized by the Frontline OCR Foundation.
Sat 23 May 2026
Kid's Course 9:45 Am Open 5k Team of 5 (5k or 10k Open... 10:00 Am Open 10k 10:30 Am Open 10k

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Frontline OCR : Byron Motosports Park

Frontline OCR is organized by the Frontline OCR Foundation, a 501(c)(3) nonprofit. The event runs at Byron Motosports Park in Byron, Illinois, and is presented as an obstacle course designed to reflect physical and mental challenges faced by military personnel, veterans, and first responders.

Obstacles are described as purpose-built to test physical limits, with no scheduled breaks noted. The event includes multiple race formats and participation options, ranging from individual timed or untimed 10K and 5K runs to a ruck division, a children’s course, and team entries.

Many adult events list an age range of 14 to 99. The Kid’s Course is open to ages 5 to 13. Team categories are offered for groups of various sizes and can be entered for the 5K, 10K, or ruck options.

Location details: Byron Motosports Park, 2525 E Ash Rd, Byron, IL 61010, US.

Event options include:

  • Special Forces 10K Elite
  • Endurance 10K
  • Competitive 10K
  • Non competitive 10K
  • Open 10K wave entries
  • Open 5K
  • Ruck Division
  • Kid’s Course for ages 5 to 13
  • Team entries for multiple team sizes

The description emphasizes the event’s focus on honoring service members and first responders through an obstacle course format that mirrors frontline demands. Visit the organization's website for the most recent information.

10 km
10:00 Am Open 10k
10 km
10:30 Am Open 10k
10 km
11:00 Am Open 10k
10 km
11:30 Am Open 10k
10 km
12:00 Pm Open 10k
10 km
9:00 Am Open 10k (various Waves)
10 km
9:30 Am Open 10k
10 km
Endurance
10 km
Heroes 1 - Competitive 10k
10 km
Heroes 2 - Non-Competitive 10k
10 km
Open 10k Waves
10 km
Ruck Division
10 km
Special Forces -10k Elite
10 km
Team of 10 (5k or 10k Open or Ruck)
10 km
Team of 20 (5k or 10k Open or Ruck)
5 km
9:45 Am Open 5k
5 km
Team of 5 (5k or 10k Open or Ruck)
Kid's Course

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Tough Mudder Chicago on August 29, 2026 at Rockford International Airport offers 5K, 15K and an up to eight hour Infinity format across fields, trails and creek crossings, plus Mudder Village, named obstacles, and finisher rewards.