Mud is soil, loam, silt or clay mixed with water. It is usually formed after rainfall or near water sources. Ancient mud deposits hardened over geological time to form sedimentary rock such as shale or mudstone. When geological deposits of mud are formed in estuaries, the resultant layers are termed bay muds.
Cyclo-cross is a form of bicycle racing. Races typically take place in the autumn and winter, and consist of many laps of a short course featuring pavement, wooded trails, grass, steep hills and obstacles requiring the rider to quickly dismount, carry the bike while navigating the obstruction and remount. Races for senior categories are generally between 40 minutes and an hour long, with the distance varying depending on the ground conditions. The sport is strongest in the traditional road cycling countries such as Belgium, France and the Netherlands.
The Tough Guy Competition was an endurance challenge that claims to be the world's most demanding one-day survival ordeal. First staged in 1987 and organised by Billy Wilson under the pseudonym of "Mr. Mouse", it is held on a 600-acre farm in the English village of Perton, Staffordshire. It has been described as "the toughest race in the world", with up to one-third of the starters failing to finish in a typical year. After 27 stagings of the winter event, Wilson still claimed nobody had ever finished the course according to his extremely demanding rules.
An obstacle course is a series of challenging physical obstacles an individual, team or animal must navigate, usually while being timed. Obstacle courses can include running, climbing, jumping, crawling, swimming, and balancing elements with the aim of testing speed, endurance and agility. Sometimes a course involves mental tests. The idea has been adapted into TV shows and video games
Tough Mudder is an endurance event series in which participants attempt 10-to-12-mile-long obstacle courses. It was co-founded by Will Dean and Guy Livingstone. The obstacles often play on common human fears, such as fire, water, electricity and heights.
Spartan Race is a series of obstacle races of varying difficulty ranging from 3 miles to marathon distances. These races are held in the United States and have been franchised to 30 countries, including Canada, South Korea, Australia, the Philippines and several European countries. The series include the Spartan Sprint, the Spartan Super, the Spartan Beast, and the Spartan Ultra. Spartan Race also has a military series, hosted on military bases. Spartan also holds winter and team events.
Holbrook "Hobie" Call is an American former competitve runner and elite obstacle course racer. Call is a multiple-time winner of the Spartan Race, an obstacle race with challenges similar to those found in the television program American Gladiators.
Obstacle course racing (OCR) is a sport in which a competitor, traveling on foot, must overcome various physical challenges in the form of obstacles. Races vary in length from courses with obstacles close together to events of several kilometers which incorporate elements of track, road and/or cross country/trail running. Courses may include climbing over walls or up ropes, monkey bars, carrying heavy objects, traversing bodies of water or mud, crawling under barbed wire, and jumping through fire.
Superhero Scramble was a superhero themed obstacle race series that has several levels of races. The majority of participants participate for fun, while others compete for team and individual prize money that's available at each event. Participants frequently dress in costumes based on characters from video games, movies, cartoons, and comic books. The all-day events included live bands, DJ's, emcees, entertainers, food and beer. There were also night races and kids races.
Mudderella is a 5-7 mile long obstacle course event series targeted toward women. With 12-15 obstacles, Mudderella courses are designed to test strength and stamina.
Joe De Sena is the CEO and founder of Spartan and the Death Race. He is also a NY Times best selling author of Spartan Up, Spartan Fit and The Spartan Way.
Ninja Warrior UK is a British physical obstacle assault course game show, created for ITV. The show is based upon the format of the Japanese game show Sasuke, created by Ushio Higuchi, which is aired in the United Kingdom and other countries as Ninja Warrior.
Amelia Boone is an American obstacle racer. She used to be an attorney for the law firm of Skadden, Arps, Slate, Meagher & Flom, but now works for Apple Inc. in San Jose, California.
BattleFrog College Championship was a sports competition television series directed by Ron Luscinski and written by Luscinski, Tom Davis, and Danny Llewelyn.
Rugged Maniac is an annual obstacle course race, otherwise known as a mud run, which is hosted in multiple cities across the United States and Canada. Participants run a 5 kilometer course with obstacles ranging from muddy water slides, crawling through tunnels, jumping over logs set on fire, and scaling large, curved walls. Billionaire entrepreneur Mark Cuban has invested in Rugged Maniac, after meeting them on season 5 of the hit ABC reality show Shark Tank.
The warped wall is an obstacle on many obstacle courses for obstacle racing.
Evan "The Rocket" Dollard is an American athlete and rock climber. He came to prominence during Season 1 of the rebooted American Gladiators, as the season 1 men's champion. He earned his nickname "Rocket" from his speed in Gladiator competition, taking it as his gladiator name, becoming a Gladiator for season 2 of the rebooted American Gladiators. He has since appeared prominently in the Ninja Warrior franchise; in American Ninja Warrior and the standalone American Ninja Warrior, also using his nickname. Dollard also hosts his own web series, "Ninja Quickies". He has also competed in local editions of Ninja Warrior.
Alanic is a sports and fitness clothing brand headquartered in North Hollywood, California, US. Alanic corporate offices are located at 1/49 Lemana lane, Sydney, Australia. It has been the official supplier of the Miami Marathon US, Vancouver Sun Run Canada, New Jersey Marathon US and Some Major Tier 1 Marathons in the United States and also the National Basketball Team of Australia. Alanic has been associated with events like ATP – St. Petersburg Open Tennis; Indianapolis Monumental Marathon 2013, Indiana; 2012 Ironman Triathlon Series in Australia, NZ & Philippines; Seattle Marathon, US; Malibu Marathon, US; where it acted as the official supplier and clothing partner. The Tough Mudder announced a new multi-year partnership with Alanic as the official apparel partner.
World Obstacle, institutional name Fédération Internationale de Sports d’Obstacles(FISO), is the international governing body for obstacle sports and related events. Disciplines include Ninja, Obstacle Course Racing (OCR), and Adventure Racing (AR). Headquartered in Lausanne, Switzerland, it sanctions world and continental level events.
The OCR Kings, extreme athletes "Mack and Damer " based in Danbury, Connecticut "attempt to dominate in the world of obstacle course racing by recreating the grueling challenges and obstacles of actual OCR's and developing the best methods of conquering them." The OCR Kings' stated mission is helping others to succeed in their fitness journey, especially in running and Obstacle Course Racing. They vow "to encourage and/or assist anyone, regardless of age or level of athleticism."
United States 
United Kingdom 
Argentina 
India 
Germany 
South Africa 
Cyprus 
Netherlands 
Sweden