A Masterton business analyst has completed what might be called the "Everest" of climbing in this country - scaling 100 great New Zealand peaks.Don French reached the milestone at the age of 62 when he knocked off the tricky Mount Unicorn on the West Coast.He's the first person to reach a goal that was unofficially set for Kiwi climbers thirty years ago, when the New Zealand Alpine Club created the 100 Peaks Challenge.A methodical, safety-first approach has served French well.It's taken him eight years to knock off the last five climbs.He spoke to Susie Ferguson.