Usain Bolt ran a season’s best 9.85 seconds to win the World Challenge meeting in Zagreb tonight in his first 100 metres since false starting at the World Championships.

Ireland’s Joanne Cuddihy qualified impressively for the semi-finals of the 400 metres at the World Championships in Daegu tonight, but Paralympic 100m champion Jason Smyth went out.

ASAFA POWELL laid down a challenge to his 100m rivals byclocking a wind-aided 9.75 seconds as the IAAF Diamond League got underway in Doha last night.