Running Wild 2026

Sat Jul 11 2026 at 10:00 am to 02:00 pm UTC+01:00

Wild Forest | Brentwood

Essex Wildlife Trust
Publisher/HostEssex Wildlife Trust
Running Wild 2026
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Join us in the forest for a 5K like no other as you take on obstacles, water and mud.
About this Event

Are you ready to Run Wild for wildlife? Suitable for all abilities and open to ages 13+ , this is the ultimate challenge to take on with friends, family, colleagues, teammates – or come along and meet new people!


When: From 10am, Saturday 11 July


Where: Wild Forest, Parsonage Farm, Ongar Road, Brentwood, Essex CM15 0LA


What: A 5K packed full of obstacles, water, climbing, sliding – and lots of mud!


Registration fee: £40


Fundraising pledge: £100


Held at the award-winning Nuclear Races site, Running Wild is a 5K muddy obstacle course that everyone can take part in. Climb over, crawl through and jump across some crazy obstacles, before finishing in style with the famous 20-foot Deathslide into a lake!


Participants will receive:



  • A place in Running Wild 2026
  • A Running Wild medal
  • Free post-race hot drink
  • Free onsite parking
  • A post-race shower
  • A digital fundraising guide

By fundraising for Essex Wildlife Trust, you will be doing something amazing for the wildlife and wild places of Essex. You will be helping us create a brighter, wilder future.


Before you register to take part please read our:


Event terms & conditions


Frequently asked questions


On your marks… get set… MUD!


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Event Venue & Nearby Stays

Wild Forest, Parsonage Farm, Brentwood, United Kingdom

Tickets

GBP 42.94

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