2026 Frigid 10K and Frosty 5K

This page is kept as a past race archive for the Mar 14, 2026 edition in Hamilton, Ontario. Use the links below to find upcoming races in the same area or distance category. You can also browse the 2026 race calendar.

The 2026 Frigid 10K and Frosty 5K is a signature early-season running event in Hamilton, Ontario, offering both in-person and virtual race options. Traditionally linked to the Chilly Half Marathon, these races have evolved into a standalone event to accommodate more participants and provide a focused race-day experience. The event is known for its welcoming atmosphere, drawing runners of all levels to challenge themselves on a scenic road course along Hamilton's waterfront.

Participants can choose between the Frigid 10K and the Frosty 5K, with both distances available as in-person or virtual races. The event is also notable for its strong community focus, supporting the Mental Health and Addictions Program at Joseph Brant Hospital and Hamilton Food Share. Runners receive a long-sleeve ASICS technical shirt and a finisher's medal, making it a memorable way to kick off the spring racing season while supporting important local causes.

Both the Frigid 10K and Frosty 5K are run on paved road courses, primarily following Hamilton's waterfront trails and roads. The terrain is flat and fast, making it suitable for runners seeking personal bests or a comfortable early-season effort. The course is well-supported and designed for smooth running, with minimal elevation change, ideal for both beginners and experienced runners.

• In-person and virtual options for both 5K and 10K distances
• Scenic road course along Hamilton's waterfront
• Supports Joseph Brant Hospital and Hamilton Food Share
• Long-sleeve ASICS technical shirt for all registrants
• Finisher medals for all participants
• Early March race date, ideal for spring training kickoff