Nuclear Fit

SEP-JUL
19-10
2026-27
Six 1 km trail laps combined with functional fitness stations like tyre flips and milk churn carries, timed with chips and held in Brentwood, Essex with a race village and free spectator access.
19-10 Sep-Jul 2026
Relay - 3 People Pro Fit – Individuals Fit – Doubles

Always double-check with the organizer's website! This page may contain affiliate links.

Nuclear Fit

Nuclear Fit is an outdoor fitness race held at Great Myles, Kelvedon Hatch in Brentwood, Essex, with the event village at the Secret Nuclear Bunker. The main format comprises six 1 km trail runs interspersed with functional workout stations, giving a total running distance of about 6 km.

Participants move between short trail laps and a series of timed workout stations. Station examples include tyre flips, farmer urn carries, plough pulls, milk churn carries, repeated throws and carries for the duck and throw station, and a high-repetition squat and lift. Several stations include specified weights and rep targets that vary by category.

The event offers multiple entry categories, including Individual, Doubles, Relay and Pro, with a children Rookies option mentioned separately. Main events list an age guideline of 16 and older. Every competitor receives chip timing with split breakdowns for each run and station. Awards and event inclusions noted are trophies for first to third male and female finishers, a finishers medal, race photos and detailed results.

Additional features include available training sessions, team and league opportunities, on-site free parking and free spectator access. The race village provides music, stalls and sports massage facilities, creating a festival-style atmosphere around the competition. Visit the organization's website for the most recent information.

6 km
Relay - 3 People
6 km
Pro
6 km
Fit – Individuals
6 km
Fit – Doubles
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.