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Grand Slam is an adventurers challenge to reach the north and south pole and climb the Seven Summits. The original concept involved the polar trips starting from accepted coastal points, involving long sledging journeys. Over time the significantly shorter, easier and less serious 'Last Degree' polar trips - only from 89 degrees to the pole - have been claimed as the Grand Slam (''Last Degree Grand Slam''). Currently, the climbing community and other leading organizations including the American Alpine Club, The Explorers Club, climbing companies such as International Mountain Guides, and the popular press all define the Explorers Grand Slam as having accomplished the Seven Summits plus (at a minimum - the last degree of) the North and South Poles. There is some consensus that a ''True Explorers Grand Slam'' means one will also has summitted all 14 peaks above 8,000 meters. Likewise, there is some consensus that a ''True Adventurers Grand Slam'' is achieved by also visiting the magnetic north and south poles. David Hempleman-Adams became the first to complete a ''True Adventurers Grand Slam'' in 1998. In April 2005, Park Young Seok completed a ''True Explorers Grand Slam''.〔(【引用サイトリンク】url=http://www.everestnews.com/stories2005/park05012005.htm )〕 In 2011, former Wales rugby union international Richard Parks became the first person ever to complete the (Last Degrees) Grand Slam within a single calendar year, doing so within seven months. Cheryl Bart is the first Australian female and the 31st person worldwide to complete the Explorer's Grand Slam. She completed the North Pole on 22 April 2013 AEST. Vanessa O'Brien became the first woman to complete the (Last Degree) Grand Slam under a single calendar year, doing so in eleven months.〔(【引用サイトリンク】title=Boston's Vanessa O'Brien Becomes First Woman to Climb Seven Summits )〕 In 2014 Ryan Waters became the first American to complete "True Adventurers Grand Slam" by skiing full length, unsupported and unassisted North and South Pole expeditions and climbing the seven summits. An attempt is currently underway by a team led by former Parachute Regiment officer Captain Martin Hewitt to be the first ever disabled team to complete the Explorers Grand Slam unsupported. Coined the Adaptive Grand Slam they are on course to complete it in 2016. He is joined by fellow 'ex-Para' Terry Byrne and former US Ranger Matt Nyman. All were severely injured whilst serving in Afghanistan and Iraq. ==People who completed a Grand Slam== # David Hempleman-Adams # Erling Kagge # Fyodor Konyukhov # Heo Young-Ho # Park Young Seok # Stuart Smith # Cecilie Skog # Maxime Chaya # Ryan Waters # Haraldur Olafsson (SP non-Coastal) # Khoo Swee Chiow (SP non-Coastal) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Explorers Grand Slam」の詳細全文を読む スポンサード リンク
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