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Infinity OCR Races

Time-based endurance events where you complete as many laps as possible. Includes Tough Mudder Infinity (8 hours) and World's Toughest Mudder (24 hours). Find your next challenge and start planning your trip.

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🗓️ Upcoming Events

The next Infinity obstacle course races happening worldwide. Register now to secure your spot!

Mar 1, 2026

Tough Mudder Austin 2026

Burnet, US
Distances:8hr
Mar 21, 2026

Tough Mudder Los Angeles 2026

Lake Elsinore, US
Distances:8hr
Apr 25, 2026

Wanze Spartan Hurricane Heat All-inX2

Wanze, Belgium
Distances:12hr
May 9, 2026

Tough Mudder London West 2026

Henley-on-Thames, UK
Distances:8hr
May 23, 2026

Tough Mudder Philly 2026

Coatesville, US
Distances:8hr
Jun 6, 2026

Tough Mudder Scotland 2026

South Queensferry, UK
Distances:8hr
Jun 13, 2026

Tough Mudder Michigan 2026

Oxford, US
Distances:8hr
Jun 27, 2026

Tough Mudder Twin Cities 2026

Hugo, US
Distances:8hr
Jun 27, 2026

Tough Mudder World's Toughest Mudder 2026

Lincolnshire, UK
Distances:24hr, 24hr Team
Jul 4, 2026

Tough Mudder Midlands 2026

Lincolnshire, UK
Distances:8hr
Jul 25, 2026

Tough Mudder Yorkshire 2026

Yorkshire, UK
Distances:8hr
Aug 29, 2026

Tough Mudder Chicago 2026

Rockford, US
Distances:8hr
Oct 17, 2026

Tough Mudder Nashville 2026

Lebanon, US
Distances:8hr
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