 John Henry Dellert, Jr. November 18, 1884 February 3, 1985 akanga ari mutambi wechiAmerican uyo akakwikwidza paMitambo yeOlympic yeZhizha ya1904 muSt. Louis. Akatora rutivi mumitambo mitatu yomunhu oga, achiwana mugumisiro wake wakanakisisa paOlympics mu triathlon yevarume, kwaakapedza ari wechi30 pakati pevakwikwidzi 119. Akanga ariwo chikamu cheConcordia Turnverein yeSt Louissquad yevarume vose-vakapoteredza chiitiko, icho chakapedza 4th kunze kwenyika 13. Akazvarwa muMissouri, aishanda semugadziri wemapuranga pazera remakore gumi nemana kuti abatsire kutsigira mhuri yake uye akadzidzira gymnastics munguva yake yekusununguka. Akasarudzwa kukwikwidza mumitambo yeOlympic yezhizha ya1908, asi akazvikuvadza panguva yekuratidzira uye akamanikidzwa kubvisa. Akarega kupinda mumakwikwi muna 1913, asi akaramba achirovedza muviri uye achirovedza muviri kusvikira ava nemakore 46. Akafira muBoynton Beach, Florida ava nemakore 100. Munununa wake Charles akakwikwidzawo mumitambo yokurovedza muviri pamaOlympics iwayo. 