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Climbs Mount Pisco, Peru
Mark is the youngest to summit. -
Climbs Huascaran, Peru
Mark is the youngest to summit -
Climbs Cotopaxi Volcano
Mark was the youngest to summit -
Climbs Aconcagua, Argentina
Summited -
Climbs Tibet side of Mount Everest
Youngest to climb and title holder of highest climb in age group -
Climbs Mount Rainier, Washington
Summited -
Climbs Ama Dablam, Nepal
Youngest to summit -
Climbs Mount Everest on Nepal side
Youngest on climb -
Assistant Guide climbing Kilimanjaro, Africa
Summited -
Climbs Cho Oyu on Tibet side
Youngest to summit
