Reign of Terror obstacle races, mud run, and OCR information, distance, cost, dates, calendar, discounts, obstacles, reviews, and more

Welcome to Reign of Terror Obstacle Course Race, which is an obstacle course race set in medieval Kells, Co. Kilkenn.

Upcoming Reign of Terror Events


We don't know of any upcoming events for Reign of Terror. You can check out our list of past events and reviews below, or if you know of an upcoming race, add it to our calendar!



Browse our calendar of previous mud runs, mud races & obstacle races for Reign of Terror

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