Be prepared to get muddy and wet but have a fantastic time doing it like NASS supporter Carly Rushton and friends (pictured left) did at Born Survivor! Or go it alone and take a leap of faith like Megan (above) did at the Spartan Race!
If you fancy pushing yourself to the limit for NASS, have a look at the extreme events listed below or get in touch for more information.
Tough Mudder is a 10-12 mile obstacle course designed to test all-around strength, stamina, teamwork, and mental grit. Tough Mudder is Probably the Toughest Event on the Planet. Probably.
There are obstacle races, trail races and mud runs, then there's Born Survivor. The courses and obstacles are tough, extreme challenges based on Royal Marine Commando training experiences. Don't expect gimmicks - this is the real deal.
Challenge your limits. Test yourself on the most gruelling obstacle course races in the UK. Dirty Dozen Races are obstacle course races designed by The Beard (an expert on all things obstacle related) strategically combined with challenging terrain to test agility, strength and endurance.
Survival is Britain's biggest adventure running series with tens of thousands taking on these totally unique challenge events every year. Want to join them? This is for all comers: Men, women, teams and solo contenders. It's as much fun as you can have in a run and the camaraderie is served up with lashings of Survival Spirit.
Spartan Race is a leader in the sport of obstacle racing, offering open heats for all fitness levels, as well as competitive and elite heats for those with something more to prove. The first of its kind to feature timing and global rankings, Spartan Race provides a proving ground for beginner and professional obstacle racers looking to test themselves in new ways across the world.