Extreme Challenge obstacle races, mud run, and OCR information, distance, cost, dates, calendar, discounts, obstacles, reviews, and more
Extreme Challenge is one of Denmarks best OCR races!
Previous Extreme Challenge EventsClick an event name to view the event details. Scroll past this, or click here to see the review section
Browse our calendar of upcoming mud runs mud races & obstacle races for Extreme Challenge
Extreme Challenge Reviews from the Community
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