Nuclear Fit PRO
Push your limits in the Nuclear Fit Pro Wave: the ultimate test for competitive athletes seeking a true measure of all-round fitness. This pro category intensifies the classic Nuclear Fit format with six fast 1km trail runs, strict mandatory stations and full chip timing, creating a high-pressure race environment with zero compromises, designed to test the very best!
Pro
- Approx. 2 hours
- Age 16+
Push your limits in the Nuclear Fit Pro Wave, the ultimate test for competitive athletes ready to go all in.
This pro category takes the classic Nuclear Fit challenge — six 1km trail runs combined with demanding fitness stations like sled pulls, tyre flips and carries — and adds the intensity of racing against the best. Nuclear Fit Pro is made up of a 1km trail run alternated with a functional fitness station repeated 6 times. It features longer distances on stations 1, 3, 5 and 6, increasing the physical demand and raising the bar for performance.
With strict mandatory stations, chip timing and no compromises, the Pro Wave is designed to push you to your physical and mental limits and showcase true all-round fitness performance.
- 6 x 1km runs plus fitness station
- Timing Chips
- 2 x 4ft hurdles
- Finisher medal for everyone, trophies for 1st, 2nd and 3rd place
10th May 2026
WHEEL TYRE FLIP
Distance: 150m
Height of tyre: Women 3ft and Men 4ft
The competitor starts behind the line. To flip the tyre they need to get into a deep squat, place hands under the tyre, maintain a flat back with their head up and power up through the legs and hips. They can use their knee to assist with the flip. They can stop to rest. They complete this workout once the competitor and the whole tyre have crossed the line.
FARMER URN HUG
Distance: 150m
Weight: Women 24kg & Men 30kg
The competitor has to pick the urn up from the station, remembering to keep their core engaged. The carry begins when they cross the start line. The urn must be kept close to their chest and they can put it down at any time. The carry is complete once the competitor and the urn cross the finish line.
PLOUGH PULL
Distance: 250m
Weight: Women 37kg & Men 70kg
The competitor places the reins over their shoulders and they must stand behind the line prior to starting. They must remain standing at all times, hands and knees are not allowed to touch the ground. They move the plough (sled) by pulling and moving forward. They can stop to rest. The pull finishes once the competitor and the plough cross the finish line.
MILK CHURN CARRY
Distance: 200m
Weight: Women 16kg & Men 24kg
The competitor has to carry one milk churn in each hand with both arms fully extended. The carry begins when they cross the start line. They can put the milk churns down to rest. The carry is complete once the competitor and the milk churns cross the finish line.
DUCK AND THROW
Throws: 20
Weight: Women 22kg & Men 32kg
The competitor picks up a bag and runs 40m to the functional fitness station. They will then be required to throw it over the bar without any assistance, they then duck under the bar and pick up the bag and move forward into the next designated lane. There are 10 throws in total. They can stop to rest. The competitor picks up their bag to run 40m back towards the finish line. The workout is complete once they cross the finish line.
Squat and Lift
Reps: 125 Women, 150 Men
The competitors start by sitting down on the box provided and picking up the handles. The lift begins when they stand up and raise the rack above their head, locking their arms out, this counts as one rep. They must then sit back down onto the box. They can rest at any time standing or sitting. Each correctly completed rep will be counted by an adjudicator. The lift finishes when the competitor completes all the reps.
Functional fitness format
Participants take on unique functional fitness stations, such as tyre flips, plough pulls and milk churn carries. They are designed to test both endurance and strength.
Training available
For those that want a little more practice before the big day, training sessions are available throughout the year to get you race day ready.
Timing Chips
Every competitor will receive chip-timing information, with breakdowns for each run and workout station, giving detailed performance splits and clear insight into strengths, progress and pacing.
Team and league opportunities
With Individual, Doubles and Relay options available, you can take part either individually or as part of a team. Individuals also have the opportunity to compete for Nuclear Fit League glory!
A premium experience
Expect smooth organisation, first-class marshals, medals, photos, all part of the premium race-day experience courtesy of the award-winning team behind Nuclear Essex.
Festival vibes
Expect a lively central arena surrounded by music, crowds, sports massage stations, a variety of stalls, free on-site parking and free spectator access, all of which creates a buzzing energy and a festival-style vibe that celebrates fitness and fun.
TOP 10 FAQ's
Find us
How to find us
Nuclear Fit is located in Brentwood, Essex just 15 minutes from the A12, M25 and M11.
By Train and taxi, we’re just 15 minutes from Brentwood station (on the mainline from Liverpool St) or 15 minutes from Epping Underground station.