4 hours
Wild Forest
Starting at GBP 43
Sat, 11 Jul, 2026 at 10:00 am to 02:00 pm (GMT+01:00)
Wild Forest
Parsonage Farm, Brentwood, United Kingdom
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:Â From 10am, Saturday 11 July
Where:Â 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:
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!
Also check out other Sports events in Brentwood, Contests in Brentwood.
Tickets for Running Wild 2026 can be booked here.
| Ticket type | Ticket price |
|---|---|
| Standard registration | 43 GBP |
