Leigh Diffey (Olympics)

Leigh Diffey serves as the play-by-play voice of NBCUniversal’s bobsled, luge, and skeleton coverage during the Milan Cortina 2026 Winter Olympic Games, marking his seventh Olympic assignment overall and fourth consecutive Winter Games calling sliding sports. He has previously served as the play-by-play voice of track & field at the 2021 Tokyo and 2024 Paris Olympics.

Diffey, a versatile talent known for his enthusiastic play-by-play commentary on ‘speed sports,’ previously called the fastest events at the 2014 Sochi, 2018 PyeongChang Winter Olympics, and 2022 Beijing Winter Olympics – bobsled, skeleton, and luge – and handled rowing at the 2016 Rio Olympics. In addition, he has called track & field events for NBC Sports since 2013, including the 2019 World Track & Field Championships, as well as U.S. National Championships, Prefontaine Classics, and Diamond League events.

Diffey, who joined NBC Sports in 2013, is one of the prolific voices in motorsports as the lead play-by-play commentator for the NASCAR Cup Series, IMSA WeatherTech Sportscar Championship, and Supercross coverage. Diffey previously served as lead play-by-play commentator on NBC Sports’ INDYCAR coverage (2013-2024) and called the Indianapolis 500 six times, as well as NBC Sports’ Formula 1 coverage (2013-2017).

He began his broadcasting career covering V8 Supercars for Australia’s Network Ten, and the World Superbike Championship and WRC for the BBC. Diffey has covered the American Le Mans Series, 24 Hours of Le Mans, MotoGP, CART World Series, and the NASCAR Sprint Cup and Nationwide Series.

Fast Facts

• 7^th Olympics with NBCU
• 4^th Olympics as lead sliding sports commentator at the Winter Olympics
• Has previously called track & field and rowing at the Summer Olympics
• NBC Sports’ lead motorsports play-by-play commentator
• Native of Brisbane, Australia