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| Full name | Guillermo Osvaldo Marro | |||||||||||||||||||||||||||||||||||||||||||||||
| Nickname(s) | Magcin, Guille, El Delfin | |||||||||||||||||||||||||||||||||||||||||||||||
| Born | 1 July 1983 Pergamino, Argentina | |||||||||||||||||||||||||||||||||||||||||||||||
| Height | 1.69 m (5 ft 7 in) | |||||||||||||||||||||||||||||||||||||||||||||||
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| Country |  Argentina | |||||||||||||||||||||||||||||||||||||||||||||||
| Sport | Paralympic swimming | |||||||||||||||||||||||||||||||||||||||||||||||
| Disability | Arthrogryposis | |||||||||||||||||||||||||||||||||||||||||||||||
| Disability class | S7 | |||||||||||||||||||||||||||||||||||||||||||||||
Medal record
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Guillermo Osvaldo Marro (born 1 July 1983) is an Argentine Paralympic swimmer who competes in international elite events. He specialises in backstroke swimming. He is a triple Paralympic medalist, double World medalist and a triple Parapan American Games champion. He is highly regarded as Argentina's most successful Paralympic swimmer.[1][2][3]
In 2014, Marro became the first Argentine Paralympic swimmer to cross the English Channel, he completed the swimming course in over fourteen hours. He swam as part of a team with Scott Patterson and Pedro Rangel who were double leg amputees, Moises Fuentes who is a paraplegic and Enrique Guerrero who has a below the knee amputation.[4][5]