Towards the end of last year I took part in an awesome event called Tough Mudder in Western Australia with a couple of mates who are, like myself, a bit bonkers when it comes to finding things that hurt a bit of fun. Tough Mudder events are hardcore 18-20km obstacle courses designed by British Special Forces to test your all round strength, stamina, mental grit and camaraderie. It also starts from the premise that marathon running is boring, and even…