These mud and trail events such as the Major Series, Spartan and Tough Mudder see competitors run, jump and leap over a variety of obstacles and they've become hugely popular in the UK and around the world - both as fun days out and also at the elite level.
But combining a run with obstacles can be a daunting to beginners and seasoned runners alike and requires a varied training approach.
That's why we've enlisted the help of some of the very best obstacle course racers (OCR) to help you get the most out of your next event.
Found yourself signing up to Tough Mudder, the Royal British Legion Major Series or a Spartan race with no idea what you’re letting yourself in for? Then check out these expert tips.
Combining a run with obstacles that can range from a cargo net or a mud crawl to a giant slide takes an all-round set of skills.
Failure at an obstacle in a Spartan Race leads to the dreaded 30 burpees - follow this advice from Race Director Karl Allsop to give yourself the best chance of avoiding a penalty.
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The ultimate zombie 5K survival run returns to Newbury Showground - bigger, bouncier and more infectious than ever!
A “Thriller” of a descent down the UK’s tallest sculpture! Take the plunge on an adrenaline fuelled ride back to earth!
A two mile, Halloween themed, charity walk through Sherdley Park with many Trick or Treat activity stations!
Join MAG and discover the real heart of Europe. Ride 300km from Sarajevo through rolling landscapes and historic towns!
A test of physical and mental. 48 hours in the Dartmoor wilderness with just your survival skills for company!
Explore one of the great wonders of the world, and get a first hand glimpse of local culture!
A landscape of rugged mountains, green valleys and traditional Berber villages is made for exploring!
Trips that are out of the ordinary! Run and sail the National Three Peaks, help rebuild a school and more!
Join #TeamNow and save 50% on your entry fee to the world's fastest and flattest marathon in historical Berlin!
A gruelling 24km SAS Selection test march staged over Pen y Fan, the highest mountain in the Brecon Beacons!
From the iconic Brandenburg Gate to the beautiful Tiergarten, Berlin’s natural attractions are unmmissable!
Take on a memorable journey following forgotten paths, rocky outcrops and beautiful Norman villages!
Varied cycling routes, welcoming coastal towns and unique trails, the island offers something for everyone!
Join over 4,000 Santa’s for a 5K or 10K and get into the festive spirit, indulging in a free mince pie too!
Europe’s wonderful winter wonderlands provide majestic settings for an amazing range of exhilarating activities!
Don your best Halloween outfit for a stroll in aid of serving and ex-Service men and women who've lost limbs.
Successful in the London Marathon ballot? Raise £200 for Roy's Runners for a chance to win!
Walk, jog or run! Stunning coastal path route from Chale, past the Needles, along cliffs & sandy beaches!
Returning for a 2nd year - be a #WishHero and grant life-changing wishes as you pass iconic landmarks!
Our first national park offers a diverse range of scenery and is easily accessible from all over the UK!