Nuclear Races

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Nuclear delivers award winning fun, tough, gritty obstacle races over varied, undulating terrain.
Expect big obstacles, highly organised events and relentless amounts of mud. These events are challenging enough for the elite but are designed to be achievable for all fitness abilities, including newbies.

Passionate about the countryside and outdoor sports, Nuclear Races aims to thrill people with truly epic, gritty and highly organized races leaving everyone who takes part with an amazing and satisfying sense of achievement. They pride themselves on delivering excellent events that fulfil what they promise – quality races for all abilities of fitness from elite to first timers, enormous permanent obstacles, loads and loads of mud and a fantastic fun, friendly and memorable atmosphere.

Where are Nuclear Races?

Nuclear Races is located in Brentwood, Essex just 15 minutes from the A12, M25 and M11.
Camping is available by arrangement and there are a number of good local hotels/bed and breakfasts.

Already Signed Up?

Have you already signed up and secured your own place? You can still join our team and support children with cancer. Just let us know that you have signed up and then raise what you can.

Join The Lennox Nuclear Race Team

  • When you run for us, we tailor our fundraising and training support specifically to you. Tell us what you need and we’ll get on it.
  • By running for us, you’re helping to make a difference for children with cancer.
  • The least we can do is show you how much we appreciate it.
  • We'll send you a cool Lennox running vest.
  • We’ll shower you with advice, ideas and materials to get the money rolling in, and if you ever need us we’re only a phone call away.