He was born in Valparaíso and was the father of Arturo Hammersley. He was a generalist in track and field, practising a wide variety of events. In 1910 he was timed at 10.4 seconds for the 100 metres, which would have equalled the world record at that time.
- Rodolfo Hammersley. Sports Reference. Retrieved on 2015-02-01.
- Wood, David & Johnson, P. Louise (2013-09-13). Sporting Cultures: Hispanic Perspectives on Sport, Text and the Body. Routledge, pg. 29. Retrieved on 2015-02-01.
- South American Championships in Athletics (unofficial). GBR Athletics. Retrieved on 2015-02-01.
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