The Onesie Run 2025

The Onesie Run is Calgary's—and Canada's—only official, dedicated Onesie Run. Scheduled for Saturday, November 15, 2025, it features 1 km and 5 km routes suitable for all fitness levels. Participants are encouraged to wear their coziest onesies while walking, jogging, or running.

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Supporting the Calgary Humane Society, this event raises awareness and funds for animal welfare. All participants receive a medallion and ribbon, with special prizes awarded to the fastest runners in both categories.

• Race surface: Road
• Routes include 1 km and 5 km distances
• Participants can walk, jog, or run
• Fur-friends allowed, please leash responsibly
• Suitable for all ages and fitness levels

• 1 km and 5 km routes suitable for all fitness levels
• Participants encouraged to wear cozy onesies
• Medallion and ribbon awarded to all participants
• Special prizes for fastest 1st, 2nd, and 3rd place in 1 km (kids) and 5 km
• Youth and children (18 and under) tickets at a reduced price
• Fur-friends welcome with leash responsibility