• Mollie O’Callaghan of Australia has +130 odds to win the Women’s 100m freestyle gold medal.
• Top American Kate Douglass saw her odds shorten to +1200 after posting a 52.56-second 100m in the United States Olympic trials.
• Australia has -650 odds to win the Women’s 4 X 100m Freestyle Relay gold medal, with the United States positioned second at +400 odds.

PARIS – Australia’s women swimmers, coined the Dolphins, are set to make a splash at the 2024 Paris Olympics. Mollie O’Callaghan is the Olympic betting odds favorite to win the Women’s 100m Freestyle gold medal.

Women’s 100m Freestyle Gold Medal Odds

• Mollie O'Callaghan (AUS) +130
• Siobhan Haughey (HGK) +180
• Marrit Steenbergen (NED) +400
• Shayna Jack (AUS) +1000
• Kate Douglass (USA) +1200
• Yang Junxuan (CHN) +2000
• Torri Huske (USA) +3300
• Anna Hopkin (GBR) +5000
• Wu Qingfeng (CHN) +6600
• Barbora Seemanova (CZE) +10000

O’Callaghan is the fastest swimmer in the pool based on Olympic trial times, where she posted a 52.33-second 100m freestyle. Fellow Australian Shayna Jack has +1000 odds to win after posting a 52.72-second finish at the Australian Olympic trials.

American Kate Douglass (+1200) has longer aquatic betting odds than Jack despite posting a faster 52.56-second 100m freestyle finish at the United States Olympic trials. Douglass was only 0.23 seconds slower than the favorite O’Callaghan, meaning she has great value in improving her time with a gold medal on the line.

Australia Heavily Favored In 4 X 100m Freestyle Relay

The Australians had three swimmers finish the Women’s 100m Freestyle trial in under 53 seconds, more than any other country. Gold medal odds for the 4 X 100m Freestyle Relay heavily favor the Australians at -650 odds.

Women's 4 X 100m Freestyle Relay Gold Medal Odds

• Australia -650
• United States +400
• Canada +1200
• China +1500
• Great Britain +5000
• France +6600
• Sweden +7500
• Netherlands +8000
• Italy +15000
• Hong Kong +25000

The American relay team consists of Kate Douglass (52.56), Torri Huske (52.93), Gretchen Walsh (53.13), and Simone Manuel (53.25), while the fourth member of the Australian relay team is unconfirmed.