![iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine) iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine)](https://i1.wp.com/irun.ca/wp-content/uploads/2020/08/5-Carbon-Shoes_4-1-1024x683.jpg?resize=640%2C427)
iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine)
![iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine) iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine)](https://i2.wp.com/www.irun.ca/wp-content/uploads/2020/08/5-Carbon-Shoes_5-scaled.jpg?fit=2560%2C2560&ssl=1)
iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine)
![iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine) iRun.ca - Running's Arms Race: a portrait of the world's fasest shoes (Home to Canada's running community and iRun magazine)](https://i2.wp.com/irun.ca/wp-content/uploads/2020/08/5-Carbon-Shoes_2-1024x768.jpg?resize=640%2C480)