Washington Mud Run & Obstacle Race Calendar 2025-2026

If you're an adrenaline junkie, fitness enthusiast, or simply seeking a thrilling outdoor adventure, you've arrived at the perfect destination. Our meticulously curated calendar is your gateway to the most exhilarating and challenging mud runs and obstacle races taking place in 2025 and 2026.

Prepare to conquer mud-slicked trails, scale towering walls, navigate through grueling obstacles, and push your physical and mental boundaries. Our mission is to provide you with all the essential information you need to plan your race year, including dates, locations, race details, and registration information.

JBLM Down and Dirty Trail Run

Joint Base Lewis-McChord • 19 Jul 2025

Approximately 3 Mile Course

The JBLM Down and Dirty Trail Run is a free, approximately 3-mile obstacle course event held at Joint Base Lewis-McChord, Washington. Participants navigate various obstacles by going through, over, or under them along the course. The run features staggered wave starts with 25 runners released every five minutes to manage flow.

While no medals are awarded, participants can purchase an optional event T-shirt. Packet pickup occurs the day before and the morning of the race at Soldiers Field House. The event emphasizes a fun, challenging atmosphere suitable for those looking to test their trail running and obstacle skills in a military base setting. Visit the organization's website for the most recent information.

Paper Maker OCR

Camas • 16 Aug 2025

4.5 "ish" Mile Course

The Paper Maker OCR is an annual obstacle course race held in Camas, Washington, at Lacamas Park. Scheduled for August 16, 2025, this event features a challenging 4.5-mile course that winds through scenic, forest-lined trails of the Pacific Northwest. Participants face 10 exciting obstacles designed to test endurance and speed, with additional surprises along the way. The race offers competitive and open waves, with cash prizes awarded to the top male and female racers. Beyond the race, attendees can enjoy local food vendors, music, and a post-race party, all supporting small community businesses and creating a festive atmosphere for racers and spectators alike. Visit the organization's website for the most recent information.