Arizona 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.

Phoenix Spartan Trifecta Weekend

Avondale • 22-23 Nov 2025

Kids Race Sprint Super Beast

The Phoenix Spartan Trifecta Weekend, held at Phoenix Raceway in Avondale, Arizona, offers a challenging obstacle course race experience set against the rugged terrain near Estrella Mountain Regional Park. Participants can choose from three main race distances: the Sprint (5K with 20 obstacles), the Super (10K with 25 obstacles), and the Beast (21K with 30 obstacles), plus a kids' race featuring 1-3 km with obstacles. The course combines the raceway grounds and surrounding wildlife trails, known for being relatively fast. The event encourages team participation and offers special discounts for service members, making it a competitive and inclusive weekend for OCR enthusiasts. Visit the organization's website for the most recent information.