Nuclear Fit
Always double-check with the organizer's website! This page may contain affiliate links.
Event overview
Nuclear Fit is an outdoor functional fitness event held in Brentwood, Essex. The course comprises six 1 km trail runs, totaling 6 km, alternating with high-intensity workout stations. The event offers Individual, Doubles and Relay entry options. Age limit: 16+. Typical event duration is listed as approximately 2 hours for Individual and Doubles entries. The next listed event date is 10 May 2026.
Format and on-course challenges
Each run is followed by a functional fitness station with measured distances, weights or reps. Timing chips provide breakdowns for each run and station. Key on-course elements include:
- Wheel tyre flip - 100 m (tyre height Women 3 ft, Men 4 ft)
- Farmer urn hug - 150 m (Women 24 kg, Men 30 kg)
- Plough pull - 125 m (Women 37 kg, Men 70 kg)
- Milk churn carry - 200 m (Women 16 kg, Men 24 kg)
- Duck and throw - 100 m (Women 22 kg, Men 32 kg; 10 throws)
- Squat and lift - 100 reps Men, 75 reps Women
Doubles teams run together and complete sequential stations where partners can share the workload.
Logistics and included services
Entries include chip timing, a finisher medal, and trophies for 1st–3rd male and female finishers. The event site features a central arena with music, sports massage stations and a variety of stalls. Spectator access and on-site parking are free. The venue is described as 15 minutes from the A12, M25 and M11, and about 15 minutes from Brentwood and Epping stations by train and taxi. Training sessions are available during the year. Visit the organization's website for the most recent information.
