Caster Semenya starts a red-hot favourite to upgrade on her Olympic silver medal from four years ago after enjoying a peerless campaign.

The traditional pre-meeting press conference of the IAAF Diamond League meeting in Doha took place on Thursday (5) and the emphasis was very much on how the series, now in its seventh season, directly laid the foundations for many an elite athlete’s road to Rio.

Organisers of the Meeting International Mohammed VI have confirmed that five more Diamond Race winners from last year will be in action at the IAAF Diamond League meeting in Rabat on 22 May.

Statisticians A Lennart Julin and Mirko Jalava look back on the best middle-distance performances of the year.

The highly publicised duel between a trio of gold medallists from the IAAF World Championships, Beijing 2015 in the women’s 3000m was supposed to be one of the highlights of the 2015 IAAF Diamond League final in Zurich and so it proved, with Ethiopia’s Almaz Ayana coming out on top on Thursday.

Kenya’s defending champion Euince Sum ended up having to settle for the bronze medal on this occasion after a tense and enthralling three-way battle down to home straight as Marina Arzamasova returned the world 800m title to Europe on Saturday.

With just four weeks to go until the 2015 edition of the Weltklasse Zürich, the first of this year's IAAF Diamond League finals, the meeting organisers were able to announce sparkling entry lists for another three events on Thursday (6).

Following the conclusion of the national trials, Athletics Kenya selected 46 athletes to compete at the IAAF World Championships, Beijing 2015 later this month.

Dafne Schippers brought day two of the IAAF Diamond League meeting in London to a record-breaking conclusion at the Olympic Stadium when she sliced 0.02 from her Dutch record to win the women’s 100m in 10.92 at the Sainsbury’s Anniversary Games on Saturday (25).

Wayde Van Niekerk made a little bit of history at the IAAF Diamond League meeting in Paris when he became the first African to run faster than 44 seconds for one lap of the track, when he ran 43.96 on Saturday (4).

Mutaz Essa Barshim rekindled his Hayward Field magic and added to his growing resume in the high jump at the IAAF Diamond League meeting in Eugene, going over a meeting record of 2.41m on Saturday (30).

Expectations are high for US 800m star Ajee’ Wilson this summer and she will get a chance to impress in front of a home audience at the IAAF Diamond League meeting in Eugene on 30 May after the meeting organisers announced their women’s 800m field on Wednesday (22).