Fun Run Photo 1571939

The Onesie Run 2025

Date
November 15, 2025
Location
Calgary, Alberta
Events
4 Races

About 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.

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 Schedule

Please check the official website for up-to-date times and pricing

Onesie Run 2025 - 1 km Route

The Onesie Run's 1 km route in Calgary offers a fun, all-ages, and all-fitness-level experience—perfect for walking, jogging, or running in your coziest onesie.
November 15, 2025
9:00AM
1km
Fun Run / Charity
Boston Qualifier

Onesie Run 2025 - 1 km Kids

A special 1 km road run for kids (18 and under)—part of Calgary's Onesie Run—offering a safe and spirited experience in cozy onesies.
November 15, 2025
9:00AM
1km
Fun Run / Charity
Boston Qualifier

Onesie Run 2025 - 5 km Route

The Onesie Run's main Calgary 5 km course is a fun and festive road event for all fitness levels—jog, walk, or run in your favourite onesie and support animal welfare.
November 15, 2025
9:00AM
5km
Fun Run / Charity
Boston Qualifier

Onesie Run 2025 - 5 km Kids

A dedicated 5 km kids road event (18 and under) as part of Calgary's Onesie Run—fun, festive, and open to all abilities.
November 15, 2025
9:00AM
5km
Fun Run / Charity
Boston Qualifier

Course Details

- 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

Race Highlights

- 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

RACE DAY COUNTDOWN

175
Days
175
Hours
175
Minutes
Date
November 15, 2025
Season
Fall (September-November)
Location
Calgary, Alberta
Avg Temp
Cool (<10°C)
Avg Humidity
Low (<40%)