Hard as Oak obstacle races, mud run, and OCR information, distance, cost, dates, calendar, discounts, obstacles, reviews, and more
HaO is Ireland's hardest 10km obstacle course challenge and we are proud to be supporting a great charity ‘Children in Crossfire'.
Upcoming Hard as Oak EventsClick an event name to view the event details. Scroll past this, or click here to see the review section
Browse our calendar of previous mud runs, mud races & obstacle races for Hard as Oak
Hard as Oak Reviews from the Community
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