Triathletes shed clothes for underpants run pre-Ironman World Championship - Canadian Running Magazine
![](https://runningmagazine.ca/wp-content/uploads/2017/10/DSC02069-1024x577.jpg)
Hundreds show up for the pre-Ironman World Championship underpants run in what has become an annual pre-race tradition
![](https://runningmagazine.ca/wp-content/uploads/2017/10/DSC02100-1024x577-1024x577.jpg)
Triathletes shed clothes for underpants run pre-Ironman World Championship - Canadian Running Magazine
![](https://runningmagazine.ca/wp-content/uploads/2017/10/DSC02076-1024x577-1024x577.jpg)
Triathletes shed clothes for underpants run pre-Ironman World Championship - Canadian Running Magazine
Triathletes shed clothes for underpants run pre-Ironman World Championship - Canadian Running Magazine
![](https://runningmagazine.ca/wp-content/uploads/2017/10/DSC02121-1024x577-1024x577.jpg)
Triathletes shed clothes for underpants run pre-Ironman World Championship - Canadian Running Magazine
![](https://runningmagazine.ca/wp-content/uploads/2017/10/DSC01975-1024x577-1024x577.jpg)
Triathletes shed clothes for underpants run pre-Ironman World Championship - Canadian Running Magazine
![](https://runningmagazine.ca/wp-content/uploads/2017/10/DSC02069-1024x577.jpg)
Triathletes shed clothes for underpants run pre-Ironman World Championship - Canadian Running Magazine