Mud Tribe

SEP
5
2026
Mud Tribe in Brentwood, Essex is a muddy obstacle course with foam and water features and obstacles that do not require upper body strength. Choose a family friendly 1.5 km or a tougher 5 km and earn a finisher medal and free photo.
Sat 5 Sep 2026
Mud Tribe 1.5k Mud Tribe 5k

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Event overview

Mud Tribe is a muddy obstacle course run held at Nuclear Essex in Brentwood, Essex. The event features mud, foam and a range of obstacles designed to be achievable without upper body strength. Water obstacles are included but there is no full water submersion. Spectators are welcome and event access and fees vary by event.

Race options and entry

Distances offered:

  • 5 km
  • 1.5 km

The 1.5 km option is aimed at families and younger children. Approximate on-course durations are listed as about one hour for the 1.5 km and about two hours for the 5 km. Minimum ages are 4+ for the 1.5 km and 7+ for the 5 km. Children aged 4–15 on the 1.5 km must be accompanied by a paying adult; children aged 7–15 on the 5 km must be accompanied by a paying adult.

Facilities and extras

Included for participants are hot wash-downs, changing rooms, bag drop and a free finisher photo (additional photos available to purchase). Every participant receives a finisher medal. The event is presented as suitable for groups, families and charity fundraising. Entry prices are listed on the event page and vary by distance and date.

Location and travel

Mud Tribe is located in Brentwood, Essex, approximately 15 minutes from the A12, M25 and M11, and about 15 minutes by taxi from Brentwood train station or Epping Underground station. Visit the organization's website for the most recent information.

5 km
Mud Tribe 5k
Mud Tribe 1.5k