IAAF Diamond League track and field
Watch live action from Shanghai
Click on the video player above to watch the IAAF Diamond League track and field meet live from Shanghai, China.
Three Canadians are in competition, headlined by pole vaulter Shawn Barber, the reigning world champion.
Also entered are Tim Nedow (men's shot put), Christabel Nettey (women's long jump) and Michael Mason (men's high jump).
CBC Sports' coverage of the Diamond League continues with the meet in Rabat, Morocco, on May 22 at 12 p.m. ET