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


We don't know of any upcoming events for Major Series. 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 Major Series

Major Series Reviews

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