Onesie Run

NOV

14

2026

The Onesie Run is Canada's only official run dedicated to racing in a onesie. Held in Calgary each fall, it features 1 km and 5 km routes. The event also raises funds for the Calgary Humane Society.

Sat 14 Nov 2026

Calgary, Alberta

Website Registration

5 kilometers

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Onesie Run

The Onesie Run takes place on Saturday, November 14, 2026, in Calgary's East Village. The event address is 618 Confluence Way Southeast.

The event offers two main distances: 1 km and 5 km. Separate registrations are available for kids and youth aged 18 and under.

It is described as Calgary's and Canada's only official, dedicated onesie run. It is held in the fall, with the cooler weather being a considered factor.

All participants receive a finisher medal and a swag bag. The top three fastest in each distance receive special prizes. The event also runs giveaway draws for various prizes.

The Onesie Run raises funds for the Calgary Humane Society. Leashed pets are welcome to participate.

The event has a primary sponsor: Running Room. Visit the organization's website for the most recent information.

5 km

5k Route

1k Route

1km Kids

5km Kids