Voted ‘Best Trail Race’ at the 2014 Running Awards, the award-winning Major Series is the UK’s most fun and friendly mud obstacle race! Delivered by British Military Fitness, the course features mud, obstacles, hills and water, along with over 40 former or currently serving members of the armed forces. ‘The Major’s Troops’ are central to the event’s unrivalled atmosphere as they support and motivate you along the 5km or 10km courses. The Major Series is all about camaraderie, teamwork and having fun, making it ideal for groups of friends or colleagues. Discounts are available when entering as a team of 10 or more.

 Entry fee: £35 to £55