æt ðə nˈaɪntiːnhˈʌndɹɪd fˈɪfti tˈuː sˈʌmɚɹ əlˈɪmpɪks ɪn hɛlsˈɪŋki, fˈɪnlənd, kˈɑːnoʊ wˈʌn ɡˈoʊld mˈɛdəlz ɪnðə mˈɛnz wˈʌn,fˈaɪvhˈʌndɹɪdmˈiːɾɚ fɹˈiːstaɪl ænd ðə fˈoːɹ tˈaɪmz tˈuːhˈʌndɹɪdmˈiːɾɚ fɹˈiːstaɪl ɹˈiːleɪ.
At the 1952 Summer Olympics in Helsinki, Finland, Konno won gold medals in the men's 1,500-meter freestyle and the 4×200-meter freestyle relay.