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About

Nuclear Fit is the ultimate outdoor fitness race to test your body and mind.

Across six 1km trail runs, you'll take on a series of high-intensity workout stations, all designed to test your grit, stamina and determination.

It's the perfect challenge for anyone looking to push their limits, enjoy the outdoors and experience fitness in a whole new way.

Book Tickets

Guide Prices

Ticket Type	/Ticket Tariff
Ticket	£50.00 per ticket

Note: Prices are a guide only and may change on a daily basis.

Book Tickets Online

Map & Directions

Map Link

Click here to view map

Road Directions

Ongar Road (opposite Secret Nuclear Bunker Site).

Public Transport Directions

Buses & Taxis available from Brentwood & Shenfield Stations

Nuclear Fit

Type:Outdoor Event

Event Village, Ongar Road, Brentwood, Essex, CM15 0LA

Website

Call direct on:

Tel07970-739-037

Opening Times

Season (19 Sept 2026)
Day	Times
Saturday	08:00	- 17:00

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