FAQs

Here you can find quick answers to some common questions we get asked.

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. That way, if it gets lost, we’ll have a way to identify and return it to you.

Fit, Mud Tribe, Races

What are the different races?

Nuclear Fit offers Individual, Doubles, and Pro divisions, plus Storm races for a purely fitness-focused challenge.

Is there a Nuclear Fit rule book?

Here is your rule book: INSERT LINK

What are the different fitness stations at Nuclear Fit?

Nuclear Fit features a range of strength and endurance stations including tyre flips, carries, lifts, and throws tailored for men and women.

Will there be prizes?

Finishers receive medals, top racers get trophies, and extra rewards are available for completing challenges.

What are the age categories for Nuclear Fit?

Nuclear Fit uses chip timing to rank competitors within age categories from U24 to 85–89 years.

What are the race day rules?

Runners must follow all race regulations, complete workouts in the correct order, use the appropriate equipment, and finish within the time limit.

What colour fitness station equipment should I use?

Yellow is for ladies individuals and ladies doubles. Blue is for individual men, mens doubles, and mixed doubles.

How can I train for Nuclear Fit?

Join our regular Nuclear Fit training classes or our 6-week race prep programme to improve your technique, strength, and transitions.

How can I buy the Nuclear Fit Merch?

You can buy this online or on the day. The Nuclear Essex shop will be on site at each event for you to purchase kit by cash or card.

Will there be a water station out on course?

There will be at least one main water station on the course.

Fit, Mud Tribe, Races

Who can participate at Nuclear Fit?

Everybody who is 16 and older can participate.

Will food and drink be available after the race?

Food and drink vendors will be available in the event village, and they accept both cash and credit card payments.

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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, please see our Accessibility Policy.

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Can I run if I am pregnant or recently postpartum?

For safety reasons, we advise against participating while pregnant. Please seek medical clearance before taking part after giving birth.

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Is there a deadline to sign up to a race?

You can buy tickets online up until the day of the race, subject to availability.

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Can I wear fancy dress or costumes?

We love seeing participants racing in fancy dress and costumes! Just keep in mind that you’ll be climbing obstacles and tackling muddy, wet ditches, so choose an outfit that can handle the challenge.

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Are drones allowed?

Drones are not allowed unless agreed with the Event Management.

Adventures, Fit, Mud Tribe, Races, Wild Forest

Can I buy gift vouchers for friends and family?

Yes — gift vouchers are available to buy online and make the perfect present for adventure lovers.

Adventures, Bunker, Fit, Mud Tribe, Races, Wild Forest
General

Can I change my booking or transfer my ticket?

Ticket transfers and changes are possible via your booking dashboard or by contacting us, depending on your race type and timing.

Fit, Mud Tribe, Races
Transfers and refunds

How do the race timing chips work?

You will be given the timing chip at registration and must wear it as instructed. It will be taken off at finish line and live results are available on race day.

Fit, Races
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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.

Fit, Mud Tribe, Races
Results and Photos, Top 10

Is there a bag drop at Nuclear Races?

There’s a free, staffed bag drop available. You’ll leave it before your race and collect it when you finish. Please note, while the bag drop is staffed, items are left at your own risk.

Fit, Mud Tribe, Races
On the day

Can I camp onsite?

Free onsite camping is available. You can book at the time of registration or add it later via your booking dashboard.

Fit, Mud Tribe, Races
On the day

I’m having problems booking – what should I do?

If you’re having trouble making a booking, try switching to a different device or browser this often fixes common technical issues or email races@nuclearessex.com

Fit, Mud Tribe, Races
Help and Support

Can I show my check-in pass at registration on my mobile?

Absolutely, you can bring your check-in pass on your phone or as a printed paper copy. Just make sure you’re ready to show it, along with your ID and check-in pass email, when you reach the registration desk. This helps keep things moving smoothly.

Fit, Mud Tribe, Races
On the day

I haven’t received my email confirmation or check-in pass, what should I do?

Check all email accounts you may have used to book your ticket (work, home etc.) and don’t forget to look in junk/spam folders. Try searching your inbox using "NUCLEAR RACES LTD" as a keyword. If you still can’t find it, please contact races@nuclearessex.com

Fit, Mud Tribe, Races
Help and Support

If I miss my wave start, can I join the next one?

If you miss your start wave, speak to registration to move you to the next available wave. Correct wristbands are required to race.

Fit, Mud Tribe, Races
Before you race, On the day

Where’s my race number?

We don’t use race numbers. Instead, you’ll receive a QR code in your check-in email, which you’ll use on race day.

Fit, Mud Tribe, Races
Before you race

Can my obstacle racing ticket be refunded?

We do not offer refunds, but you can transfer your ticket to another event or person up to 48 hours before race day.

Fit, Mud Tribe, Races
Transfers and refunds

Can I change the wave time for my team?

If you want to make any changes to a team entry you need to email races@nuclearessex.com

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Teams and group bookings

Are spectators welcome?

Spectators are welcome at our events. Entry fees and access vary by event. Please follow signs and stay in designated areas.

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On the day, Spectators, Top 10

Where are my race results?

Results will be posted on our website as soon as the chip timing team have verified them (24 hrs after your race). Please bear with us while this is being done. Any timing queries email results@racetimingsolutions.co.uk

Fit, Mud Tribe, Races
Results and Photos

Do you charge a parking fee?

Parking is free at all sites and events, apart from Nuclear Mud Tribe, which has a £5 parking fee per car. All parking is within a short walking distance.

Adventures, Bunker, Fit, General, Mud Tribe, Races, Wild Forest
On the day

Are dogs allowed?

Well-behaved dogs on leads are welcome at Nuclear Races, Nuclear Fit, Nuclear Mud Tribe, the Secret Nuclear Bunker and Nuclear Adventures. Unfortunately dogs are not allowed at Nuclear Wild Forest.

Bunker, Fit, General, Mud Tribe, Races, Wild Forest
On the day, Top 10

How do I marshal at one of the events?

We welcome volunteers at all events and offer rewards for your time. Registration opens before each event

Fit, Mud Tribe, Races
Miscellaneous

Will there be medical help available?

A professional NHS emergency team will be on-site in 4×4 vehicles, covering the course, race village, and surrounding areas.

Fit, Mud Tribe, Races
Miscellaneous

Can I pay to have my Dryrobe deal delivered?

You can choose delivery at checkout. If you’ve already booked and want it delivered, please email shop@nuclearessex.com

Fit, Mud Tribe, Races
Miscellaneous

How do I collect my prepaid Dryrobe?

Take your booking confirmation email and ID to the Nuclear Shop in the event village.

Fit, Mud Tribe, Races
Miscellaneous

Can I upgrade to the Dryrobe deal?

Yes - use the link in your confirmation email to access your booking and edit/ upgrade your ticket. Click on 'Add more merch'.

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Miscellaneous, Top 10

What is the Treble Fit?

Race all three events within a single year and earn the prestigious Treble Fit medal. Your qualifying events can include Nuclear Fit and Nuclear Storm.

How can I raise money for a charity?

Sign up to one of our races, create your own bespoke event, or design a Wild Forest mud run — then share your fundraising page with your community.

Fit, Mud Tribe, Races, Wild Forest
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