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
  • August 10, 2019
    North Yorkshire United Kingdom Rat Race Survival of the Fittest Yorkshire 2019
    Newburgh Priory Estate, Coxwold, York, United Kingdom
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  • August 17, 2019
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  • October 05, 2019
    Nottinghamshire United Kingdom Rat Race Survival of the Fittest Nottingham 2019
    National Watersports Centre, Holme Pierrpont, Nottingham, United Kingdom
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Browse our calendar of previous mud runs, mud races & obstacle races for Survival of the Fittest

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