Former Olympic 100m champion Justin Gatlin continued to improve in his comeback from a doping ban when he ran 10.09s yesterday but Caster Semenya endured an 800m race to forget.
Gatlin, 28, finished second behind Jamaica's Johan Blake, who won in a time of 10.06s despite clutching his hamstring
Athletics: Gatlin comeback on track
AdvertisementAdvertise with NZME.