Question: What sport was the Tarzan actor, who acted opposite of Linda Christian in the "Tarzan and the Mermaids" film, known for holding records in?

Context articles: Tarzan's Deadly Silence
Johnny Weissmuller
Linda Christian
Chithra (actress)
Tarzan and the Brown Prince
Jayakumari
Gordon Scott
Menaka (actress)
Albert Hall (actor)
Jean Parker

Tarzan's Deadly Silence (1970) is an adventure film composed of an edited two-part television episode of "Tarzan" released as a feature.
 It stars Ron Ely as Tarzan.
 Former Tarzan actor Jock Mahoney and Woody Strode (a veteran of two previous Tarzan films) co-star.
 The movie was produced by Sy Weintraub and Leon Benson, written by Lee Erwin, Jack H. Robinson, John Considine, and Tim Considine (based on the character created by Edgar Rice Burroughs) and directed by Robert L. Friend.
Johnny Weissmuller (2 June 190420 January 1984) was an Austro-Hungarian-born American competition swimmer and actor, best known for playing Tarzan in films of the 1930s and 1940s and for having one of the best competitive swimming records of the 20th century.
 Weissmuller was one of the world's fastest swimmers in the 1920s, winning five Olympic gold medals for swimming and one bronze medal for water polo.
 He was the first to break the one minute barrier for 100-meter freestyle, and the first to swim 440-yard freestyle under five minutes.
 He won fifty-two U.S. national championships, set more than 50 world records (spread over both freestyle and backstroke), and was purportedly undefeated in official competition for the entirety of his competitive career.
 After retiring from competitions, he became the sixth actor to portray Edgar Rice Burroughs's ape man, Tarzan, a role he played in 12 motion pictures.
 Dozens of other actors have also played Tarzan, but Weissmuller is by far the best known.
 His character's distinctive Tarzan yell is still often used in films.
Linda Christian (November 13, 1923 – July 22, 2011) was a Mexican film actress, who appeared in Mexican and Hollywood films.
 Her career reached its peak in the 1940s and 1950s.
 She played Mara in the last Johnny Weissmuller Tarzan film, "Tarzan and the Mermaids" (1948).
 She is also noted for being the first Bond girl, appearing in a 1954 television adaptation of the James Bond novel "Casino Royale".
 In 1963 she starred in an episode of "The Alfred Hitchcock Hour", "An Out for Oscar".
Chitra is an Indian film actress best known for her work in Malayalam cinema.
 She has acted in more than 100 films.
 She acted opposite Mohanlal in her first film "Attakalasham".
Tarzan and the Brown Prince is a 1972 Spanish/Italian co-production Tarzan film with Steve Sipek and Kitty Swan repeating their roles from 1968's "King of the Jungle".
 The film became a serialised Filipino graphic novel written in Tagalog and illustrated by Franc Reyes who acted as an illustrator on the film.
 The role of the Brown Prince was played by Filipino child actor Robin Aristorenas.
Jayakumari is an Indian film actress in South Indian films.
 She was born in 1952 and was a prominent lead actress during the 1960s and 1970s in Tamil and Malayalam films.
 She was noted for her glamorous roles.
 She has acted around 50 Malayalam movies.
 She hails from Chennai, Tamil Nadu.
 She made her debut through 1968 Malayalam movie "Collector Malathi".
 She had acted opposite famous actors like Prem Nazir in "Football Champion", Jaishankar  in "Nootrukku Nooru" and Rajkumar in "Mannina Maga ".
Gordon Scott (August 3, 1926 – April 30, 2007) was an American film and television actor known for his portrayal of the fictional character Tarzan in five films (and one compilation of three made-as-a-pilot television episodes) of the "Tarzan" film series from 1955 to 1960.
 Gordon Scott was the eleventh Tarzan, starting with "Tarzan’s Hidden Jungle" (1955).
 He was "discovered" poolside, and offered "a 7 year contract, a loin cloth, and a new last name."
Menaka is an Indian film actress and producer.
 She is a native of Nagercoil, Tamil Nadu.
 In her short film career 1980–86, Menaka acted in 116 films, mostly in Malayalam.
 She did a few films in Tamil, Kannada and Telugu.
 She has worked with many leading actors of the time, including Prem Nazir, Soman and Sukumaran, and opposite top actors of the 1980s like Shankar and Nedumudi Venu.
 She has acted opposite current superstars Mammootty, Mohanlal, Chiranjeevi and Rajinikanth.
 After 19 years, she made a comeback through the teleserial "Kaliveedu" directed by Purusothaman and produced by A. Radhakrishnan.
 Again after six years, she made a comeback on the big screen through Fazil's 2011 film "Living Together".
Albert W. Hall (born November 10, 1937) is an American actor.
 He is best known for portraying Chief Phillips in the 1979 war film "Apocalypse Now" and Judge Seymore Walsh in "Ally McBeal" and "The Practice".
 He is also widely recognized for his role as Brother Baines in the 1992 Spike Lee film "Malcolm X", where he acted opposite film star Denzel Washington, who appeared in the title role of slain African-American Muslim, former Nation of Islam minister, and human rights activist Malcolm X.
Jean Parker (born Lois Mae Green, August 11, 1915 – November 30, 2005) was an American film and stage actress.
 She landed her first screen test while still in high school.
 She acted opposite such well-known actors as Katharine Hepburn, Robert Donat, Edward G. Robinson, Randolph Scott and Laurel and Hardy.
 She was married four times and had one son, Robert Lowery Hanks.