Click on the video player above to watch live coverage of the Prefontaine Classic, an IAAF Diamond League track and field event in Eugene, Oregon.

The third event in the series will feature Canada's Andre De Grasse  in the men's 100 metre event, against a strong field that includes Justin Gatlin of the U.S.

Canadians Melissa Bishop (800m), Mo Ahmed (5000m), Shawn Barber (pole vault), and Sheila Reid (1500m) will also be in action on Saturday.