Question: Viking: The Ultimate Obstacle Course included the British commentator who was an Olympian in what discipline?

full_context: Document 1: Bill Seward: Bill Seward is an American sportscaster, actor and former coach. Seward is a play-by-play announcer for NBC Sports. In addition to calling various professional and college sports in America, Seward has been “on the mic” for NBC’s Olympic rugby coverage, "Rugby World Cup" on NBC, "Rugby World Cup Sevens" on NBC Sports Network, Varsity Cup, Red Bull Cliff Diving World Series, FIS Alpine Skiing World Cup, FIS Nordic Skiing World Cup, European Figure Skating Championships, FINA Synchronized Swimming World Cup, Vuelta a Espana, Eneco Cycling Tour, Tour of Belgium, Tour of Norway, 4 Days of Dunkirk, Paris Marathon, IBU Biathlon World Championships, Tour de Ski and the Four Hills World Cup ski jumping event. Seward also has appeared on NBC’s "Early Today" along with programs on MSNBC, CNBC, USA Network, Universal Sports and the horse racing networks HRTV and TVG.
Document 2: Kunoichi (TV series): Kunoichi (クノイチ; stylized as KUNOICHI in Japan) is a women's obstacle course competition held in Japan and broadcast on the Tokyo Broadcasting System. It is a spin-off of "Sasuke", another obstacle course series. "Kunoichi" is different from "Sasuke" in that the competitors are exclusively female. It is also broadcast as Women of Ninja Warrior on the American G4 channel. KUNOICHI has been renewed for a 9th tournament after an 8-year hiatus for 2017. It was taped on January 26, 2017, took place at the Makuhari Messe Convention Hall, unlike past tournaments taking place at Midoriyama Studio City.
Document 3: Spartan Race: Spartan Race is a series of obstacle races of varying distance and difficulty ranging from 3 miles to marathon distances. They are held in US and have been franchised to 14 countries including Canada, South Korea, Australia and several European countries. The series include the Spartan Sprint, the Super Spartan, the Spartan Beast, and the Ultra Beast. Spartan Race also has a military series, hosted on military bases. There are also winter and team events.
Document 4: Caroline Pearce: Caroline Pearce (born 1 September 1981 in Cambridge, England) is an English athlete, sports host, model, published author, and is the presenter for BT Sport's "UFC: Beyond The Octagon" and reporter for Fox Sports and UFC Fight Pass. She played the character 'Ice'in Sky One's version of "Gladiators". She has competed for Great Britain in two sports, heptathlon and bobsleigh and has 2 degrees from Loughborough University.
Document 5: Colin Cowherd: Colin Murray Cowherd (born January 6, 1964) is an American sports media personality. Cowherd began his broadcasting career as sports director of Las Vegas television station KVBC, and as a sports anchor on several other stations before joining ESPN in 2003, where he hosted a radio show on the ESPN Radio network, and also became one of the original hosts of ESPN's television program "SportsNation", as well as "Colin's New Football Show". Cowherd is the host of "The Herd with Colin Cowherd" on Fox Sports Radio and Fox Sports 1. The Herd is FS1's top rated program. He is also a host of Speak For Yourself - also on FS1.
Document 6: Obstacle racing: Obstacle course racing (OCR) is a sport in which a competitor, traveling on foot, must overcome various physical challenges that are in the form of obstacles. Mud and trail runs are combined and the races are designed to result in mental and physical collapse. Obstacles include, but are not limited to, climbing over walls, carrying heavy objects, traversing bodies of water, crawling under barbed wire, and jumping through fire. Many obstacles are similar to those used in military training, while others are unique to obstacle racing and are employed throughout the course to test endurance, strength, speed and, dexterity. Races vary in both distance and challenge level, combining trail running, road running, and cross country running. With race venues typically in large cities, organizers encourage athletes of all types to participate. All Obstacles were introduced into Cross Country Running at Tough Guy, recorded on video 1989 - 2007. Most signature obstacles were actually created by Mr Mouse. According to the "Los Angeles Times" in 2012, the number of events—typically all-day festivals—rose rapidly. In accordance with the sub-culture's fast rate of growth, the "Obstacle Race Magazine" was launched.
Document 7: Viking: The Ultimate Obstacle Course: Viking: The Ultimate Obstacle Course (海筋肉王 ～バイキング～ , Kaikinnikuō ~Baikingu~ , literally "Sea Muscle King VIKING") , sometimes abbreviated to Viking: TUOC, is a Japanese obstacle course endurance game show using an obstacle course produced by Fuji TV and . The English version of Viking is produced by ESPN2 with two American commentators calling the action. In Europe it airs on Eurosport 2 with the American commentators in the first season and British commentator Colin Bryce in the second. In the Philippines, Viking was aired in TV5 and hosted by Brod Pete, Richard del Rosario, and Gabe Mercardo. In Taiwan on JET TV in its original form with Chinese subtitles and Thailand on Channel 9 MCOT in Thai program "แชมป์ เฉือน แชมป์" (Champ VS Champ) in 2009, later this program are broadcast other Japanese game show like Original Iron Chef, Unbeatable Banzuke and Sasuke Ninja Warrior. The entire show is broadcast from Tokyo Bay.
Document 8: Colin Murray: Colin Murray (born Colin Wright on 10 March 1977) is a sports and music radio and television presenter from Northern Ireland. In 2010, he became host of BBC Television's "Match of the Day 2" on BBC Two, while still anchoring shows on BBC Radio 5 Live, including "5 Live Sport" and "Fighting Talk" and was still presenting on BBC Radio Ulster. He has previously hosted regular Channel 5 television and BBC Radio 1 shows. In 2007, he was named 'Music Broadcaster of the Year' at the Sony Radio Academy Awards.
Document 9: American Ninja Challenge: American Ninja Challenge was a nationwide competition sponsored by G4 TV to send a number of American citizens to Japan to compete in the TBS hit TV show "Sasuke" (known as "Ninja Warrior" in US). American Ninja Challenge has been held since "Sasuke" 19 (the 19th competition) and currently merged into the TV series "American Ninja Warrior" that premiered on December 12, 2009 and succeeded American Ninja Challenge.
Document 10: Colin Bryce: Colin Bryce (born Newcastle upon Tyne, 4 August 1974) is a former Great Britain Olympic bobsledder, now working as a television presenter and producer. He currently works as a sports commentator for the BBC, ESPN, Fox Sports, Eurosport, Channel Five, Channel 4 and CBBC.
Document 11: American Ninja Warrior: American Ninja Warrior (sometimes abbreviated as ANW) is an American sports entertainment competition that is a spin-off of the Japanese television series "Sasuke". It features hundreds of competitors attempting to complete a series of obstacle courses of increasing difficulty, trying to make it to the national finals on the Las Vegas Strip, in hopes of becoming an "American Ninja Warrior". To date only two competitors, rock-climbers Isaac Caldiero and Geoff Britten, have won the course and achieved "Total Victory". Caldiero is the only competitor to win the cash prize. The series began on the now-defunct cable channel G4 and now airs on NBC with encore episodes airing on USA Network and NBC Sports Network.
Document 12: Ninja Warrior UK: Ninja Warrior UK is the British version of the Japanese assault course game show "Sasuke". The show, which began airing on 11 April 2015, is hosted by Ben Shephard, Chris Kamara and Rochelle Humes.
Document 13: Ore Oduba: Ore Oduba (born 17 November 1985) is a British television news and sports presenter, currently working for BBC Sport. He is best known for winning the fourteenth series of BBC One's "Strictly Come Dancing".
Document 14: Bob Costas: Robert Quinlan Costas (born March 22, 1952) is an American sportscaster, on the air for NBC Sports television since the early 1980s. He was the prime-time host of 12 Olympic Games, from 1992 until 2016. Costas currently does play-by-play for MLB Network and hosts an interview show called "Studio 42 with Bob Costas".
Document 15: BBC Sport Team: BBC Sport is a department of the BBC providing national sports coverage for BBC Television, radio and online. Over the years it has built a broadcasting on air team of presenters, commentators, reporters and experts/analysts. This article details the current and former sports broadcasting teams appearing on the BBC Sport coverage by sport. Although BBC Sport was only branded BBC Sport at the 1988 Olympics, the team also includes those who provided sports coverage on the BBC before the formation of the department.
ground_truth: bobsledder