Blanka Vlasic has returned from injury and leapt 2.00m in Prague last week, so the two-time former world indoor and outdoor champion will be looking to make amends for missing both the 2012 Olympic Games and the World Championships last summer.

Multiple world record-holder Kenenisa Bekele will clash for the first time with marathon world record-holder Wilson Kipsang on 18 May at the Great Manchester Run, an IAAF Gold Label Road Race.

Ivan Ukhov has been a man on a mission in the wake of his failure to make the podium on home ground at the World Championships in Moscow last August.

Kenya s Evans Kipkosgei Ruto will return to the TUI Marathon Hannover on 27 April to take on Ethiopia s Mekuant Ayenew at the IAAF Silver Label Road Race.

The big question is: can Vincent Kipruto retain his title at the 69th annual Lake Biwa Marathon, the oldest marathon in Japan and an IAAF Gold Label Road Race, on Sunday (2)?

The provisional entry lists for the IAAF World Indoor Championships in Sopot, Poland, is now available.