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El nadador Arnulfo Castorena le dio a México su primera presea en los Juegos Paralímpicos de Londres 2012, al conseguir la medalla de plata en la prueba de 50 metros pecho, categoría SB2.

Castorena cronometró 58.23 segundos para ubicarse en la segunda posición, en prueba que ganó el chino Jianping Du, quien paró el reloj en 57.50 para alcanzar el oro.

La medalla de bronce quedó en manos del ucraniano Dmytro Vynohradets con un registro de 58.51 segundos.

El nadador mexicano mencionó después de la competencia que es importante seguir la línea de trabajo para buscar el oro, además expresó que desde Beijing 2008 esperó para competir, por lo que se encontraba ansioso por arrancar su participación en la justa de Londres.

Por su parte, el también mexicano Cristopher Tronco se situó en el cuarto lugar de la competencia con un tiempo de 1:01.12.

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  • Fireworks explode over the Olympic stadium during the opening ceremony for the 2012 Paralympics games, Wednesday, Aug. 29, 2012, in London. (AP Photo/Alastair Grant)

  • The flame burns at the end of the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • Fireworks explode over the stadium during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • Performers with umbrellas are suspended in the air during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • Performers with umbrellas are seen during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012.(AP Photo/Kirsty Wigglesworth)

  • A vehicle trailing sparks flies over the arena during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • Performers throng the arena during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • Royal Marine Commando Joe Townsend is lowered through the air carrying the Olympic flame during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • General view during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • Fireworks explode over the Olympic stadium during the opening ceremony for the 2012 Paralympics games, Wednesday, Aug. 29, 2012, in London. (AP Photo/Alastair Grant)

  • Britain's flag bearer Wheelchair tennis veteran Peter Norfolk leads the team into the arena during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Matt Dunham)

  • South Africa's flagbearer runner Oscar Pistorius leads his team during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Matt Dunham)

  • Fireworks explode over the stadium during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Matt Dunham)

  • Britain's Prince William and wife Kate, the Duke and Duchess of Cambridge attend the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Matt Dunham)

  • Britain's Queen Elizabeth II opens the 2012 Paralympics during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Matt Dunham)

  • The British team enter the arena during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Lefteris Pitarakis)

  • The Mexican team wave as they enter the arena during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Kirsty Wigglesworth)

  • People watch the Opening Ceremony for the 2012 Paralympics on a big screen in Trafalgar square in London, Wednesday Aug. 29, 2012. (AP Photo/Emilio Morenatti)

  • Performers during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Matt Dunham)

  • British physicist, Professor Stephen Hawking speaks during the Opening Ceremony for the 2012 Paralympics in London, Wednesday Aug. 29, 2012. (AP Photo/Matt Dunham)