Debra Katrina

Tough Mudder Schedule 2025. We keep a running tally of all mileage completed at tough mudder infinity, toughest mudder, and world’s toughest mudder within a calendar year. Dates, details, venues, and more

With events from 5k mud runs to 24 hour races through the night, tough mudder has the obstacle course race to test you and your team. Our 2025 calendar is officially live.