Mud Masters vs Nuclear Fit : distance, stations, prix et difficulté comparés (2026-27)

Mud Masters is an obstacle run organised by Mud Masters B.V. of Utrecht, held since 2012 at venues in the Netherlands and Germany. Current events include Haarlemmermeer and Biddinghuizen in the Netherlands and Airport Weeze in Germany, each running over a weekend. The organiser reports around 60,000 finishers per year.

The course is inspired by military training courses and built around teamwork. Distances run from 6 km (13+ obstacles, average finish time about 1 h 15 min) through 12 km (23+ obstacles, about 2 h 30 min) and 16 km (30+ obstacles, about 3 h 15 min) to a 42 km option at selected events. Obstacles include walls, monkey bars, rope climbs, tyre flips, mud crawls and ice-water baths, and routes change every season. Each weekend also has a Family Edition, and there is a finish festival after the race. The shorter distances suit first-timers and groups; the 16 and 42 km courses are for well-prepared runners.

Nuclear Fit is an outdoor hybrid fitness race run by Nuclear Races at its obstacle course site near Brentwood, Essex. Instead of an indoor track, athletes run six 1 km trail loops, each including two 4 ft hurdles, and complete a fitness station after each loop in a central arena called The Core.

The stations use farm-themed equipment: a tyre flip, a farmers urn hug, a plough pull, a milk churn carry, a sandbag duck-and-throw and a squat-and-lift, with separate loads for men and women. Categories include singles, doubles and mixed doubles, plus a three-person relay in which each member completes two runs and two stations, and a Pro wave with longer station distances. Waves start every 10 minutes, chip timing records each run and station split, and there is a 2-hour time limit. It suits runners and gym-goers who want a hybrid race on trails rather than indoors.