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Born in Mexico
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At the age of twelve mark completed his first rock climb.
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At the age of 14, mark completes his first ice climb at Lake Placid, New York.
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Starts National Outdoor Leadership School
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Youngest to summit at 19,029 age 14
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As Mark reaches base camp, he is reconizeed as the youngest climber to reach the top of Huascaran.
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Youngest to summit at 22,205 feet age 14
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Mark begins physical training at Newport Athletic Club for Everest.
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Goes to Ecuador
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Third highest active volcano. Youngest to summit at 19,347 feet age 14
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Highest peak in Ecuador
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17394 feet high
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Very rainy
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Forgot his briefcase, going back to get it.
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Youngest to summit at 25,350 feet
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Summited at 23,834 feet age 15
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Youngest on climb. Set a record for the highest climb in age category. Climbed Tibet side but never summited. Reached 25,000 feet age 15.
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Summited at 14,410 feet age 15
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Climbed Nepal side and was the youngest on climb. Broke previous record for highest climb in age category by reaching 26,000 feet age 16.
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Assistant guide, summited 16 years old
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Youngest to summit, climbed Tibet side, worlds sixth highest mountain. 16 years old