Montana 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.

Montana Spartan Trifecta Weekend

Bozeman • 21-22 Jun 2025

Kids Race 1-3km Sprint 5k ... Beast 21k Ultra 50k

The Montana Spartan Trifecta Weekend, taking place at the Crosscut Mountain Sports Center in Bozeman, offers a thrilling outdoor experience with various obstacle course races. Participants can choose from multiple race distances, including the Sprint (5K), Super (10K), Beast (21K), and Ultra (50K), each featuring a unique set of obstacles. Additionally, there is a Kids Race for younger participants. Set against the stunning backdrop of the Bridger Mountain Range, this event promises a challenging yet rewarding adventure for athletes of all levels, encouraging camaraderie and personal achievement in the wild beauty of Montana. Visit the organization's website for the most recent information.

Zootown Challenge Obstacle Course Race

Missoula • 4 Oct 2025

The ZooTown Challenge Obstacle Course Race, organized by VRTX Fitness, takes place at Washington-Grizzly Stadium in Missoula, Montana. This community-focused event promotes inclusiveness and health, featuring various race categories for participants of all skill levels, including experts, novices, children, and individuals with disabilities. The event aims to foster a spirit of healthy competition among all participants. Proceeds from the race benefit Opportunity Resources Inc., a local organization dedicated to enhancing the quality of life for individuals with disabilities. The race embodies the core values of community, inclusiveness, and altruism. Visit the organization's website for the most recent information.