Mud Tribe Sisters

SEP
5
2026
A women only muddy obstacle course in Brentwood, Essex covering 5 km with varied obstacles, wash facilities, a finisher medal and an inclusive, non competitive format.
Mud Tribe Sisters – 5k

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Mud Tribe Sisters

Mud Tribe Sisters is a women’s obstacle course event held by Nuclear Mud Tribe in Brentwood, Essex with its event village at the Secret Nuclear Bunker in Kelvedon Hatch. The course is a muddy outdoor obstacles route over a distance of 5 km and is open to women of all ages and abilities.

Participants move at their own pace; there is no chip timing. The course includes a wide variety of obstacles designed so that no upper body strength is required. There are water obstacles but no full water submersion. Finish-line facilities include hot wash downs, changing rooms, bag drop and a finisher medal, plus a free finisher photo with options to purchase more.

The event encourages group entries and social participation, and it is presented as an inclusive, non-competitive experience focused on mutual support. Under 16s must be accompanied by a paying participating adult. Parking is free at the site and is within a short walking distance of the event village.

Additional on-site features noted for Mud Tribe events include music and a lively event village atmosphere, the possibility to fundraise for charities, and basic race services such as photos and marshals. The event information lists prices per person and group reward offers for team bookings. Visit the organization's website for the most recent information.

5 km
Mud Tribe Sisters – 5k
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