Major Series obstacle races, mud run, and OCR information, distance, cost, dates, calendar, discounts, obstacles, reviews, and more

Voted the UK’s ‘Best Trail Race’, the award-winning Major Series is the UK’s most friendly obstacle race! The 5k and 10k courses are littered with all kinds of obstacles, hills, mud and water, but most importantly, are full of over 40 of the Major’s finest troops, there to help you through the obstacles, but maybe challenge you to a few too!



The Major Series is all about teamwork – it’s not just a run. Determination and the camaraderie of your fellow countrymen will help you through. Believe it or not, you will take part in the entire challenge with a huge grin on your face! Come along ready to take on a big challenge but most importantly to have a laugh, meet some new people, and maybe even get your own back on the Major!

Upcoming Major Series Events

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  • Race discount More info
  • September 30, 2017
    Birmingham United Kingdom Major Series South 2017
    Black Park Country Park, Slough, United Kingdom
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  • October 14, 2017
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Browse our calendar of previous mud runs, mud races & obstacle races for Major Series

Major Series Reviews

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