Nuclear Rush
Road runs in United Kingdom, Brentwood
About
The UK's most award-winning muddy obstacle course race featuring 6km and 12km distances with 40-70+ world-class obstacles including the famous Death Slide and para-plunge zip lines.
Catering & aid stations
Hot food and cold refreshment stands available on course and at finish line
Pacers
Pacemaker leads and target times published per Startwave — follow pacers for your Startwave target times; Pacerflaggen will be shown on course.
Typical weather in Brentwood
Monthly averages based on historical data (2000–present).
Route maps
FAQ
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.
Do you charge a spectator fee?
Spectators are welcome. Entry fees and access vary by event; for Rush Weekend adults pay £5 (under 12s free), while Mud Tribe spectator entry is free. Follow signs and stay in designated areas.
Can I run with a GoPro?
You can run with a GoPro, but it is at your own risk. We recommend taking a picture of yourself with the GoPro before filming so it can be identified and returned if lost.
Can I bring my dog?
Well-behaved dogs on leads are welcome at Nuclear Races, Nuclear Fit, Nuclear Mud Tribe, the Secret Nuclear Bunker and Nuclear Adventures. Dogs are not allowed at Nuclear Wild Forest.
Is there a café on site?
Food and drink vendors will be available in the event village, accepting both cash and card payments.
What is included in a child’s race ticket?
One free spectator ticket is included with every child (Rookie) race entry (to be claimed at registration). For Rush Weekend there is a £5 spectator fee for everyone 12+; Mud Tribe spectator entry is free.
Are the events wheelchair accessible?
We welcome everyone to our events. However, they are located on a working farm so the ground is uneven. For more details see our Accessibility Policy.
Can I skip obstacles during the race?
There’s no pressure to complete every obstacle but we encourage participants to give it a go. Mud Tribe, Races.
Do I need photo ID to sign in?
For Nuclear Races, Nuclear Fit and Mud Tribe events, all racers must bring a form of photo ID to sign in at reception.
How long does it take to get round the course?
Nuclear Races Rush Weekend Around 45 minutes depending on the child’s age, speed and ability. Mud Tribe 1.5km around 45 minutes depending on age; 5km around 90 minutes.
Last updated: Jun 6, 2026, 12:18:50 AM
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