Sat 19 Jul 2025 Brentwood, Essex, UK

Nuclear Fit

Nuclear Fit is a high-energy and exciting outdoor functional fitness race with a 1km trail run alternating with one unique functional fitness station repeated six times to test strength and endurance.

  • Sat 19 Jul 2025
Kelvedon Hatch Secret Nuclear Bunker, Brentwood

Nuclear Fit

09:00

Age 16 & over

£55

  • 6 km trail running

Event overview

Competitors start with a 1km trail run alternating with one unique functional fitness station, repeated six times. The fitness stations are all located in the buzzing central arena which is called The Core.

The fitness race format has been given a Nuclear twist, testing physical strength and endurance.   

Come and join as an individual racer or as part of a two-person team. A pro wave is available too.

And for those of you that don’t like running we have Nuclear Fit Storm. 45 minutes to complete as many back to back functional fitness stations as you can with zero running. 

Free downloadable photos, parking and spectators.

Finishers medal too.

Event details

  • All fitness levels
  • Event village
  • Spectators

Location

  • Bag storage
  • Bar
  • Changing facilities
  • Free parking
  • Music
  • Toilets

Route

  • First aid
  • Marshals
  • Multiple laps
  • Staggered starts
  • Water stations

Sustainability

  • Recycling

What's included

  • Certificate
  • Chip timing
  • Medal
  • Race photo

Entries

  • Age 16 & over
  • Entries open
  • Enter online