Running Wild - Brentwood

Kelvedon Hatch, United Kingdom • 11 Jul 2026

Running Wild 2026, Brentwood

Running Wild 2026 is a forest-based obstacle event taking place at Wild Forest, Parsonage Farm, Ongar Road, Brentwood, Essex CM15 0LA on 11 July 2026. The course is a 5K route that includes obstacles, water crossings, climbing, sliding and muddy sections, and finishes with a 20 foot slide into a lake. The event is held on the Nuclear Races site.

The event is open to ages 13 and over and is described as suitable for a wide range of abilities. Entry requires a registration fee of £40 and a fundraising pledge of £100. Start times will be staggered.

Participants receive a place in Running Wild 2026, a Running Wild medal, a free post-race hot drink, free onsite parking, access to a post-race shower and a digital fundraising guide.

The event is listed under outdoor activity, fundraising and health and fitness. Organiser information and event terms and frequently asked questions are available from the event provider. The event includes on-site facilities such as parking and showers and provides a digital guide for fundraising. Visit the organization's website for the most recent information.

Race information

5 km
5k Muddy Obstacle Course
Visit the organization's website for the most recent information.
Trail runs nearby

An off-road measured 5K at Westley Heights Country Park, Race 3 of the seven-event Crown to Crown series, run mainly on bridleways with basic race services and TRA licensing.

A functional fitness race in London on 13/06/2026 combining ten Xercises with repeated running segments. Multiple solo, doubles and relay formats are offered and entrants must be 18 or over.

A trail event at Colemans Fishery in Rivenhall on 14 Jun 2026 offering two route choices of about 6.5 or 4.2 miles. Entry fees are non-refundable and proceeds go to Essex and Herts Air Ambulance Trust.

Round 3 is a 5k trail race at Langdon Discovery Nature Park on 16 June 2026, run as two laps of a 2.5k circuit. The event is for ages 12 and over, supports local charities and provides on-the-day entries at the same price as online.

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