Thunderdash 10k Mud/Obstacle Run

Event overview

ThunderDash is a mud and obstacle event held on farmland just outside Comfort, Texas on 2025-09-27. The course features natural mud pits and 30-foot deep rock quarries, plus man-made and natural obstacles such as climbing, mud crawling, and mud jumping. Many obstacles are designed to encourage team effort. Registration options include individual and team entries.

Courses and participation

• 5 Km
• 10 Km

The event offers a 5K Mud Obstacle Run, a 5K Trail Run (no mud), a 5K Fitness Challenge with fitness stations about 1/2 mile apart, and a COMBO option that combines the 5K Fitness Challenge with the original ThunderDash course for a 10K total. Fitness stations are on well-worn jeep trails through coastal and bermuda hay fields and require basic calisthenics; stations may include burpees. Participants start in waves of up to 150 every 20 minutes. Waves are open to ages 14 to 99+; anyone under 18 must race with a parent or guardian. Local groups benefit from the event. Visit the organization's website for the most recent information.

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