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Sport Swimming
NOC Australia   
Born15 Aug 1991 in Canberra, AUS
Height1.73 m
 Human Interest 
Further Personal Information
Brisbane, QLD, AUS
Higher education
Commerce, Marketing - Australian National University: Canberra, ACT, AUS
Sport Specific Information
When and where did you begin this sport?
He began swimming at a club at age nine.
Why this sport?
He chose the sport due to his father, who swam internationally for New Zealand. "I pushed my parents to allow me to attend more swim sessions and at age 13 I was swimming 8-10 sessions per week. I enjoyed the training, the close friends I had in my squad, and I loved winning."
General Interest
Treff, Ben (Instagram profile, 27 Mar 2021; swimming.org.au, 28 Nov 2013)
Hero / Idol
US swimmer Aaron Peirsol, New Zealand rugby player Dan Carter. (results.gc2018.com, 27 Feb 2018; swimming.org.au, 24 Jul 2011)
In 2018 he participated in the Commonwealth Games selection trials after overcoming shoulder tendinitis. (smh.com.au, 04 Mar 2018, 27 Feb 2018)
Sporting philosophy / motto
"Trying is not doing." (swimming.org.au, 24 Jul 2011)
Awards and honours
In 2014 he was named Sports Star of the Year by the Australian National University. (anu.edu.au, 22 May 2015)
Famous relatives
His father Mark Treffers represented New Zealand in swimming at the Olympic Games in 1972 and 1976. He also competed at three editions of the Commonwealth Games, winning a gold medal in the 400m individual medley in 1974. His aunt, Lynne Dalzell, and his uncle, Paul Rowe, represented Australia in swimming. (SportsDeskOnline, 01 Feb 2022; canberratimes.com.au, 25 Jul 2014; news.anu.edu.au, Spring 2011)
Other information
In October 2018 he began working as a consultant at the Brisbane branch of EY, a global consulting firm specialising in financial services. (LinkedIn profile, 30 Jan 2022)

 Competition Highlights
World Championships
Rank Year Venue Event Result
Semifinal 2015 Kazan, RUS 100m Backstroke  DSQ
3 2015 Kazan, RUS 50m Backstroke 24.69
Semifinal 2011 Shanghai, CHN 100m Backstroke 53.87
2 2011 Shanghai, CHN 4 x 100m Medley Relay  
World Championships Short Course
Rank Year Venue Event Result
8 2010 Dubai, UAE 50m Backstroke 23.68
Heats 2010 Dubai, UAE 100m Backstroke 52.53
5 2010 Dubai, UAE 4 x 100m Medley Relay 3:24.46