Iowa 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.

Arrowhead Trail Run

Neola • 19 Apr 2025

5 km 10k 4 Hour Enduro

The Arrowhead Trail Run is set to take place at Arrowhead Park near Neola, Iowa, featuring a 5k, 10k, and a 4-hour Enduro run. This non-profit event, benefiting the Pottawattamie County Trails Association, encourages participants of all levels to run, jog, walk, or hike at their own pace. Medals will be awarded to the top finishers in each category.

Early bird registration is available, with a discount offered until mid-February. Participants can also purchase an event T-shirt during registration. The event promises scenic views of the park's natural beauty while supporting a good cause. Visit the organization's website for the most recent information.

Gladiator Assault Challenge

Boone • 17-18 May 2025

5k Charge Full Gladiator Assault Challenge

The Gladiator Assault Challenge is a premier endurance event held in Boone, Iowa, featuring a series of physically demanding obstacle courses. Participants can choose from various options, including the Full Gladiator Assault Challenge, a 5-7 mile race with over 30 obstacles, and a 5K Charge, which is a shorter version with 20-30 obstacles. There is also a Junior/Parent 5K, allowing younger participants to run alongside an adult. Each participant receives a finisher t-shirt, medal, and refreshments. The event emphasizes teamwork and personal achievement, making it a thrilling experience for all ages. Visit the organization's website for the most recent information.