Ajax Waterfront Race 2025

This page is kept as a past race archive for the Sep 21, 2025 edition in Rotary Park, 177 Lake Driveway West, Ajax, ON L1S 7J1, Canada. Use the links below to find upcoming races in the same area or distance category. You can also browse the 2025 race calendar.

The Ajax Waterfront Race marks the return of this beloved event since 2019, in partnership with the Town of Ajax. It aims to uphold the legacy of the previous Run Ajax event by delivering a high-quality race experience, fostering community spirit, and celebrating the joy of running along the beautiful waterfront.

This year, the event celebrates Ajax’s 70th anniversary with a fun and inclusive event featuring distances from a 1k kids race to a challenging 15k run.

• Road surface course running along the waterfront
• Features the challenging Electric K 1km segment
• Mostly flat terrain suitable for all levels
• Stroller allowance with specific safety guidelines
• 5km and 15km courses are certified by Athletics Canada

• Unique 1km Electric K segment in 5km and 15km races sponsored by Power Pulse Electric
• Prizes for fastest male and female runners on the Electric K stretch
• Inclusive events from 1k kids run to 20k challenge
• Stroller friendly on select races
• Celebrating Ajax’s 70th anniversary