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Summer McIntosh

Summer McIntosh is a Canadian competitive swimmer from Toronto, Ontario.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Summer McIntosh is a Canadian competitive swimmer from Toronto, Ontario. She is a multiple Olympic gold medallist and world record holder known for individual medley, butterfly, and freestyle events.

Early life and background

Summer McIntosh was born in Toronto, Ontario, in 2006 and comes from a swimming family. Her mother is former Canadian Olympic swimmer Jill Horstead.

International breakthrough

McIntosh first gained major attention as a teenager, including selection for the Tokyo 2020 Olympics in 2021. She later won her first major international titles at the 2022 World Aquatics Championships and Commonwealth Games.

Olympic success

At the Paris 2024 Olympics, McIntosh won three individual gold medals and one silver. Her performance made her the first Canadian athlete to win three golds at a single Olympic Games.

World records and recent results

McIntosh has broken several world records in long-course events, including the 400 m freestyle and multiple individual medley races. By 2026, she had also broken the women’s 200 m butterfly world record at the Canadian Swimming Trials.

Key facts

  • McIntosh won three gold medals at the Paris 2024 Olympic Games, in the 200 m individual medley, 400 m individual medley, and 200 m butterfly.
  • She also won silver in the 400 m freestyle at Paris 2024, becoming the first Canadian swimmer to win four individual medals at the same Olympic Games.
  • She was the youngest member of Canada’s swimming team at the Tokyo 2020 Olympics, where she finished fourth in the 400 m freestyle.
  • She has set multiple world records, including in the 400 m freestyle, 200 m individual medley, 400 m individual medley, and 200 m butterfly.
  • She is the daughter of Canadian Olympic swimmer Jill Horstead.
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Canadian context

She is one of Canada’s most successful swimmers and a prominent Canadian Olympic champion, making her a major figure in Canadian sport.

Frequently asked questions

Who is Summer McIntosh?
She is a Canadian swimmer from Toronto who competes internationally in freestyle, butterfly, and individual medley events.
What did Summer McIntosh win at the Paris 2024 Olympics?
She won gold in the 200 m individual medley, 400 m individual medley, and 200 m butterfly, plus silver in the 400 m freestyle.
How many Olympic gold medals does she have?
She has three Olympic gold medals, all won at Paris 2024.
Has Summer McIntosh set world records?
Yes. She has set multiple world records in long-course swimming, including in the 400 m freestyle, 200 m individual medley, 400 m individual medley, and 200 m butterfly.
What is Summer McIntosh known for?
She is known for versatility across several swimming disciplines and for winning major international medals at a young age.

References

  1. Swimming Canada — https://www.swimming.ca/swimmer/summer-mcintosh/
    Supports: Biographical details; Paris 2024 results; Canadian swimming achievements.
  2. Olympics.com — https://www.olympics.com/en/athletes/summer-mcintosh
    Supports: Birthplace, early Olympic selection, World Championships, Commonwealth Games, and family background.
  3. World Aquatics — https://www.worldaquatics.com/athletes/1252422/summer-mcintosh
    Supports: International competition record and medal totals.
  4. Red Bull — https://www.redbull.com/us-en/athlete/summer-mcintosh
    Supports: Date of birth, birthplace, nationality, and 2025 Canadian Trials world record in the 400 m freestyle.