What's on

Discover what’s on at Nuclear Essex, from muddy obstacle races and fitness races to year-round activities including high ropes, obstacle taster sessions, axe throwing and more. Find outdoor activities and family days out in Essex, perfect for making memories together. Take a look below at a few highlights of what we have on.

Bobble Hat Run

Approx. 1.5 Hours

Activity

All Abilities

2K

27th and 29th December 11am

Beat the post Christmas cabin fever and join us for a 2km woodland obstacle run.

It’s a fun, relaxed vibe and your designated instructor will be on hand with top tips to conquer the obstacles. We guarantee muddy feet!

Book as a family, with your friends, or simply run solo, and don’t forget to bring some marshmallows to toast on the roaring fire pit afterwards!

Key information

All abilities welcome.
Discounted rate available for groups of four (£80 for four people).
Exclusive hire available for groups of 10 or more.
10-15 land based obstacles available to tackle.

Individuals 27th and 29th December 11am

£25 Per Person

Book Now

Groups of 4 27th and 29th December 11am

£80 Per Group

Book Now

Bobble Hat Run

Nuclear Fit

Fitness Race

All Abilities

May, July & September

Nuclear Fit is the ultimate outdoor fitness race designed to test you physically and mentally. This fitness race combines six 1km trail runs with intense workouts and fitness stations, like sled pulls and tyre flips. Don’t like running? Nuclear Fit Storm has all of the fitness stations, with none of the running. It’s a fresh alternative for those looking for a fitness race and to get outdoors.

Chip timing
Trophies for 1st, 2nd and 3rd male and female winners
Finishers Medal
Free for spectators and free parking

(Prices include booking fee)

Nuclear Fit

Nuclear Races Fallout

Muddy Obstacle Run

All Abilities

6K & 12K

7 November 2026

Tackle the Nuclear winter beast! Choose from our multi award winning 6K or 12K lapped course. Whether you’re a newbie, small group, big team, veteran or competitive endurance racer, Nuclear courses are thoughtfully designed to be challenging, fun and achievable for all ages and every fitness ability.

What’s Included

40+ obstacles
Timing Chips
Survivor Medals for everyone
Water obstacles

(Prices include booking fee)

Nuclear Races Fallout

Secret Nuclear Bunker Tour

Allow 1 Hour

Activity

Available All Year

Take a step back in time to the Cold War era with a visit to the Kelvedon Hatch Secret Nuclear Bunker. This massive underground complex is the biggest and deepest Cold War bunker open to the public in the Southeast of England.

As a Regional Government Headquarters, the bunker would have housed hundreds of staff, including Prime Minister Margaret Thatcher. Our self guided audio bunker tour is a fascinating opportunity to explore this unique piece of history and discover the secrets that would have unfolded in the event of a nuclear war.

What’s Included

Immersive Self guided tour with handsets
Discover real life artefacts from the Cold War period, and experience what life would have been like at the Essex Secret Bunker.
Discover the authentic underground command centre – where real plans were made for life after a nuclear strike.
Younger visitors can explore this unique era of our history through our engaging dressing up area.

Secret Nuclear Bunker Tour

Nuclear Races Rush

All Abilities

8th May / 9th May

High Ropes

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What's Included

£24 per person

Minimum of 2 people

Little Monkeys

What's Included

£24 per person

Minimum of 2 people

Quiet Sessions

What's Included

£24 per person

Minimum of 2 people