Asher-Smith is looking to become the first British woman to claim Olympic sprint gold in either the 100m or 200m.
Double world champion Shericka Jackson won the 200m on Sunday at the Jamaican athletics trials to set up a 100-200 sprint double gold bid at the Paris Olympics.Jackson, who already captured the 100, took the 200 in 22.29secs (1.6 m/sec wind) in Kingston and will race the 100 and 200 in France.
Sydney McLaughlin-Levrone smashed her own 400m hurdles world record on Sunday to book her place at the Paris Olympics in sensational style at the US trials in Eugene, Oregon.In the men's 400m hurdles, meanwhile, Tokyo Olympic silver medallist Rai Benjamin sealed his place in Paris with a commanding victory in a world-leading 46.47sec.