A Canadian athlete has achieved a notable victory in a recent swimming competition. Summer McIntosh won the women's 400 meters individual medley event at the Pan Pacific Championships.

The win came after a frustrating start to the championships for McIntosh. She completed the event in a record time of four minutes, 28.01 seconds, setting a new championship record.

Further details about the event and McIntosh's performance are available from the source, including the circumstances surrounding her frustrating start to the championships.