About Mud Tribe
Join the fun at Mud Tribe, a 5km muddy obstacle course run that’s suitable for all abilities. Designed with fun in mind, this is the perfect event for those looking to get muddy and enjoy the experience, and with a 1.5Km option available, it’s great for families too! Get ready for a day of mud, foam, and laughs as you navigate the obstacle course, create unforgettable memories and perhaps even raise money for a good cause.
5th september 2026
Charities
If you’re looking for an active way to support a good cause, Mud Tribe is the perfect event.
Designed as a fun and friendly obstacle course, we encourage team participation. You’ll be able to give yourself a great sense of achievement and fundraise for charity at the same time!
Gather your tribe to do good!
For all fitness levels
Inclusive and fun for all fitness levels and abilities; no prior obstacle racing experience required.
Great for groups
Whether it’s a family outing, friendship group, team bonding trip or as a charity fundraiser, Mud Tribe offers a shared experience that builds camaraderie and fun memories together.Â
Achievable distances
At 5km (and with a 1.5km option for younger runners), Mud Tribe is an approachable obstacle run, making it ideal for first-timers or those that don’t want the pressure of racing the clock.
Fun atmosphere
Mud, foam, fun and a buzzing event village create the perfect feel-good atmosphere. Expect laughs, music, face painting and a lively space to celebrate your achievements.
Supports good causes
This event is designed to boost both mental and physical wellbeing while encouraging charity fundraising, giving you the chance to make a positive difference and add meaningful purpose to your day.
Finish-line perks
Every participant receives a finisher medal, a hot wash-down, changing rooms, bag drop and a free finisher photo (with options to purchase more) – all included in the price, so that you can leave clean, proud and with memorable mementos!
Nuclear Offers
Find us
How to find us
Nuclear Mud Tribe is located in Brentwood, Essex just 15 minutes from the A12, M25 and M11.
By Train and taxi, we’re just 15 minutes from Brentwood station (on the mainline from Liverpool St) or 15 minutes from Epping Underground station.





