Pedzisa mashoko anotevera: Shackleton akaberekerwa kuKilkea, County Kildare, kuIreland, uye paakanga ava nemakore gumi, mhuri yake yechiAnglo-Irish yakatamira kuSydenham iri kumaodzanyemba kweLondon. Chiitiko chokutanga chaShackleton mumatunhu epasi chaiva somukuru wechitatu pa"Discovery" yaKaputeni Robert Falcon Scott ya1901<unk>1904, kubva kwaakaendeswa kumusha nokukurumidza nokuda kwezvikonzero zvoutano, pashure pokunge iye neshamwari dzake Scott naEdward Adrian Wilson vagadza chinyorwa chitsva chokumaodzanyemba nokufamba kusvika pa 82°S.
"Nimrod" expedition ya1907<unk>1909, iye nevamwe vake vatatu vakagadza rekodhi nyowani yeFarthest South latitude pa88°S, mamaira 97 chete kubva kuSouth Pole, kufambira mberi kukuru kuenda kupasi munhoroondo yekutsvaga. Uyewo, nhengo dzeboka rake dzakakwira Gomo reErebus, gomo rinoputika zvikuru reAntarctic. Nokuda kwezvaakanga aita izvi, Shackleton akapiwa zita rokuremekedzwa naMambo Edward VII paakadzoka kumusha.