Matthew Hauser (born 3 April 1998) is an Australian triathlete. In 2025 Hauser achieved the rare double of world champion and world mixed relay champion.
In July 2025, he was a member of the Australian team which won the gold medal at the World Triathlon Mixed Relay Championships in Hamburg, alongside Sophie Linn, Luke Willian and Emma Jeffcoat. In October of the same year, his home victory in the World Triathlon Championship Series Grand Final in Wollongong, New South Wales confirmed his first individual world title. In 2018, he won the gold medal in the mixed relay event at the Commonwealth Games held in Gold Coast, Australia.
Hauser also competes in Super League Triathlon racing in which he was 2022 Enduro champion.
Early career In 2018, he won the gold medal in the mixed relay event at the Commonwealth Games held in Gold Coast, Australia. He also finished in 4th place in the men's triathlon. He won a bronze medal in the men's triathlon at the 2022 Commonwealth Games.
In 2021, he competed in the men's triathlon at the 2020 Summer Olympics held in Tokyo, Japan. He also competed in the mixed relay event.
2022 season Hauser competed at the 2022 Birmingham Commonwealth Games where he finished third in the individual event and was also part of the bronze medal winning mixed relay team, alongside Sophie Linn, Jacob Birtwistle and Natalie Van Coevorden.
At Super League Triathlon London 2022 Hauser was wrongly identified as Jamie Riddle and penalised for false starting, resulting in a time penalty. However, he was able to recover from the penalty and finish the event in 2nd place. At SLT Munich, the following week, Hauser took first place ahead of Hayden Wilde, and Vasco Vilaca, putting him in first place in the overall Championship standings heading into the 3rd event. After crashes in Malibu and Toulouse saw Hauser drop out of the top spot, he was able to take the win at the series finale in NEOM and secure second place and the silver medal in the series overall.
Track record The table shows the most significant results (podium finishes) achieved on the international triathlon circuit since 2016. + Individual Track Record Year Competition Country Result Time 2025World Championship - Classement général4250 points WTCS Wollongong WTCS Fréjus – Saint-Raphael WTCS Hamburg WTCS Yokohama WTCS Alghero WTCS Abu Dhabi 2024 Grand Prix de Triathlon – Stage Metz WTCS Hamburg WTCS Yokohama 2023 WTCS Montreal WTCS Yokohama Grand Prix de Triathlon – Stage Metz 2022 Grand Prix de Triathlon – Stage Quiberon Commonwealth Games – Birmingham WTCS Hamburg Oceania Cup – Sprint Stage Gold Coast 2021 Oceania Cup – Sprint Stage Devonport 2019 Triathlon World Cup – Stage Nur-Sultan Triathlon World Cup – Super-sprint Stage Chengdu 2018 Triathlon World Cup – Stage Mooloolaba 2017 Triathlon World Cup – Super-sprint Stage Chengdu 2016 Oceania Cup – Stage Osaka + Mixed Relay Results Year Competition Country Position Time 2025 2025 World Mixed Relay Championships 2022 Commonwealth Games – Birmingham WTS Hamburg 2018 Commonwealth Games – Gold Coast 2017 2017 World Mixed Relay Championships – Hamburg + Wins in Super League Year Wins Stages 2022 2 Neom, Munich and in overall ranking Total 2
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