Click on the video player above on Thursday at 2 p.m. ET&nbsp;to watch coverage from&nbsp;IAAF Diamond League track and field event in Oslo.

Crystal Emmanuel targets sprint double for 2019 world championships

Two days after clocking a world championship qualifying time in the women's 100 metres, Canada's Crystal Emmanuel will try to do the same in the 200 at the Diamond League's Bislett Games in Oslo, Norway, on Thursday (CBCSports.ca, 2 p.m. ET).

Crystal Emmanuel, who would like to run a sprint double at the track and field world championships in September at Doha, Qatar, has already reached the qualifying time in the 100 metres and is approaching the entry standard in the 200.

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Aaron Brown tops Andre De Grasse at 200m showdown in Shanghai

It was a Canadian 1-2 finish in the men's 200-metre race at the Shanghai Diamond League event on Saturday. Aaron Brown edged teammate Andre De Grasse for the win in a showdown between the country's two top sprinters.

Aaron Brown, right, celebrates winning the men's 200 metres event ahead of teammate Andre De Grasse, left, during the IAAF Diamond League competition in Shanghai on Saturday.

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Defiant Caster Semenya urges IAAF to 'focus on doping, not us'

A defiant Caster Semenya is urging track's governing body to drop its battle against female runners with high testosterone levels and instead focus on catching dope cheats.

After winning a 2,000 metre race on the outskirts of Paris, Caster Semenya once again made clear that she will refuse to medicate to bring down her testosterone levels, to comply with hugely controversial rules pushed by the IAAF.  

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