Survival of the Fittest obstacle races, mud run, and OCR information, distance, cost, dates, calendar, discounts, obstacles, reviews, and more

The World’s Largest Urban OCR. 5km, 10k or Half Marathon. How far can you Survive? Cardiff, Nottingham, Edinburgh, Manchester and London #AreYouASurvivor

Upcoming Survival of the Fittest Events

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  • Race discount More info
  • December 10, 2016
    Sydney Australia Men’s Health Survival of the Fittest 2016
    Sydney Olympic Park, Sydney, Australia
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Browse our calendar of previous mud runs, mud races & obstacle races for Survival of the Fittest

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