Maggie MacNeil Resets World Cup, Canadian Marks in 100 Fly Win Over Louise Hansson


Maggie MacNeil lowered the World Cup record in the women’s 100 butterfly final on Saturday, rallying past Louise Hansson in a battle of top-five performers all-time. 


  • World Record: 54.59, Kelsi Dahlia (USA) – 2021
  • World Jr. Record: 55.39, Claire Curzan (USA) – 2021
  • World Cup Record: 54.84, Kelsi Dahlia (USA) – 2018


  1. Maggie MacNeil (CAN) – 54.78 WC
  2. Louise Hansson (SWE) – 55.02
  3. Giovanna Tomanik Diamante (BRA) – 57.41

MacNeil reached the wall in 54.78, which reset the meet record set by Kelsi Dahlia (54.84) in 2018. MacNeil also lowered her own Canadian record of 55.04 from the 2021 Short Course World Championships. She was second at the turn .12 seconds behind Hansson, but surged toward the finish for her fourth career World Cup win. 

“Louise is such a great competitor, so I knew she’d be going out in the first 50,” MacNeil said. “So I just wanted to try to stay with her on that.”

MacNeil is now the third-fastest performer of all time behind Kelsi Dahlia (54.59) and Sarah Sjostrom (54.61). At 22 years old, she’s also just the third woman ever sub-55 in the event. 

Top 100 SCM Butterfly Performers

  1. Kelsi Dahlia (USA), 54.59 – 2021
  2. Sarah Sjostrom (SWE), 54.61, 2014
  3. Maggie MacNeil (CAN), 54.78 – 2022
  4. Louise Hansson (SWE), 55.02 – 2022
  5. Diane Bui Duyet (TUR), 55.05 – 2009

Hansson also posted a new personal best, clocking a 55.02 that makes her the fourth-fastest performer of all time. The 25-year-old Swede’s previous best was a 55.10 from the 2021 Short Course World Championships.

“I’m really happy with that,” said Hansson, who was .01 seconds ahead of world record pace at the halfway point. “That was a best time for me. Of course I wanted to be up there to challenge Maggie, but I knew it was going to be a tough race.”

Later in the session, MacNeil placed fifth in the 100 free (51.82) to cap off her double. 

“It’s great that we’re doing it in Toronto,” MacNeil said. “I want to thank the crowd, they’ve been amazing.”

In This Story

Leave a Reply

Notify of

1 Comment
oldest most voted
Inline Feedbacks
View all comments
"We've got a boilover"
3 months ago

🇨🇦🏆 legend

About Riley Overend

Riley is an associate editor interested in the stories taking place outside of the pool just as much as the drama between the lane lines. A 2019 graduate of Boston College, he arrived at SwimSwam in April of 2022 after three years as a sports reporter and sports editor at newspapers …

Read More »