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Mud Tribe Sisters

Ready to gather your girls for an unforgettable adventure? Mud Tribe Sisters celebrates all that is brilliant about being female: an empowering women’s obstacle course event welcomes participants of all ages and fitness levels to come together and tackle the challenge side by side. Mud, sweat and smiles included!

Mud Tribe Sisters - 5K

Gather your girls! Mud Tribe Sisters is all about celebrating female strength, confidence and sisterhood whilst getting muddy!

This empowering event invites women of all ages and abilities to come together, support one another and take on the challenge side by side; no competition, simply connection.

Whether you’re running with friends, family or workmates, it’s about stepping out of your comfort zone, getting a little muddy and proving just how powerful teamwork can be.

Gather your tribe, lift each other up and experience the unforgettable joy of conquering the course together.

What's Included
£78.00 Per Person

Current Price: £44.00

(Price Includes Booking Fee)

7 – 15 year olds must be accompanied by a paying adult

OTHER Mud Tribe events

Saturday 5 September

4+

Easy

5km

Saturday 5 September

4+

Easy

1.5k

Saturday 5 September

7+

Easy

5km

NEXT RACE

5th september 2026

Days
Hours
Minutes
Next event detail arriving soon
Features
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Group 432

For all fitness levels

Inclusive and fun for all fitness levels and abilities; no prior obstacle racing experience required.

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Group 454

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. 

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Group 471

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.

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Group 472

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.

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Group 470

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.

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Group 473

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!

TOP 10 FAQ's

How do the race timing chips work?
You will be given the timing chip at registration and must wear it as instructed. It will be taken off at finish line and live results are available on race day.
Can I wear fancy dress or costumes?
We love seeing participants racing in fancy dress and costumes! Just keep in mind that you’ll be climbing obstacles and tackling muddy, wet ditches, so choose an outfit that can handle the challenge.
Is there a deadline to sign up to a race?
You can buy tickets online up until the day of the race, subject to availability.
How can I raise money for a charity?
Sign up to one of our races, create your own bespoke event, or design a Wild Forest mud run — then share your fundraising page with your community.
Can I upgrade to the Dryrobe deal?
Yes - use the link in your confirmation email to access your booking and edit/ upgrade your ticket. Click on 'Add more merch'.
Are dogs allowed?
Well-behaved dogs on leads are welcome at Nuclear Races, Nuclear Fit, Nuclear Mud Tribe, the Secret Nuclear Bunker and Nuclear Adventures. Unfortunately dogs are not allowed at Nuclear Wild Forest.
Are there photos taken on course?
Yes — professional photographers from My Bib Number capture action shots throughout the course, including a free finisher’s wall photo.
Are spectators welcome?
Spectators are welcome at our events. Entry fees and access vary by event. Please follow signs and stay in designated areas.
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How to find Nuclear Mud Tribe

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.

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.