Apr 12, 2021 | Last Update: Mar 10, 2026

Frontline OCR | May 29 in Byron, IL

Sweat, mud, and mission converge at Frontline OCR on May 29 in Byron, IL—where every obstacle you conquer honors those who serve on the actual frontline. Founded by a retired federal law enforcement officer, this race packs 30+ devastating obstacles into a course that's as meaningful as it is challenging, with proceeds going directly to Operation Enduring Warrior. Whether you're Elite, competitive, or just ready to test yourself, there's a division waiting for you.

Frontline OCR obstacle course race participants navigating challenging terrain in Byron Illinois

FRONTLINE OCR 6TH WAVE | MAY 29, 2021!

Every Obstacle Course Race (OCR) has a shared purpose of challenging participants to overcome whatever is trying to slow them down. Frontline OCR has the added goal of honoring first responders and veterans with over 30 purpose-built obstacles that embody the physical hardships encountered daily in the line of duty. Experience the action on May 29, 2021, in Byron, IL.

Frontline OCR was founded by a retired federal law enforcement officer who knows what it’s like to be on the frontline, and a percentage of every registration is donated to Operation Enduring Warrior.

Event divisions include Special Forces (Elite), Endurance (Multi-Lap), Hero Competitive (First responders, Active Military, Veterans), Hero Non-Competitive (First responders, Active Military, Veterans), CASEVAC (Team), and Open (Everyone Else).