Summer McIntosh is 19 years old as of February 2026.

Quick Scoop

  • Summer McIntosh was born on August 18, 2006, in Toronto, Canada.
  • That birthdate makes her 19 years old right now in early 2026.
  • She is a Canadian competitive swimmer and a multiple-time Olympic and world champion, known for medley, freestyle, and butterfly events.

Summer McIntosh went from teen prodigy to dominant champion before even turning 20, becoming one of the biggest names in competitive swimming.

TL;DR: Born August 18, 2006 → Summer McIntosh is 19 years old in 2026.

Information gathered from public forums or data available on the internet and portrayed here.