Onesie Run
Calgary, Alberta, Canada
Nov, 2026 (TBD)
5k, Fun Run, Fundraiser
Race Information
The annual Onesie Run is Calgary's - and Canada's - only official, dedicated Onesie Run! Slip on your favourite onesie and get ready for the ultimate fun run! The 1km, and 5km routes are great for all fitness levels. Participants may choose to walk, jog or run the event. Fido-friendly! Raising funds and awareness for the Calgary Humane Society.
Related Events
Summer Solstice 5K - Calgary
Date: Jun 21, 2026 - Sunday
Size: 100 - 500 participants
Location: Calgary, Alberta
Whitefish Marathon, Half Marathon, and 5K
Date: May 16, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Whitefish, Montana
Run for L'Arche
Date: Apr 11, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Calgary, Alberta
👍 Run Pick of the Month: 5 Peaks Central Alberta Race 1 - Sikome Lake
📍 Calgary - May 9, 2026
💸 SAVE 10% On Entry & Merch. Use Code: RUNGUIDES10
😄 Why We Like This Run
✅ Scenic singletrack through Fish Creek Park
✅ Kids, Sport, or Enduro distance options
✅ Lakeside finish with food and awards
Set in scenic Sikome Lake within Calgary’s Fish Creek Provincial Park, this 5 Peaks Trail Run delivers an exhilarating mix of gentle trails, fun distances, and a lively community atmosphere that runners of all ages will love.
Get a Training Plan for this Run
Receive 2 FREE Weeks of personalised run training from our friends at Runna
The Runna app, the ultimate running coach in your pocket, gives you personalised programs that sync with your favourite devices, includes strength and mobility training, and offers complete support.
You get 2 weeks for free!
Learn more about Runna. Click the link below.
🏃 Looking For More Runs Near Calgary?
Find another distance:
Race Facts
Race Size: 100 - 500
Elevation: Fast and Flat
Course Type: Road
Boston Qualifier: No
Kids Run: Yes
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.
