High jump heroes Mutaz Essa Barshim and Bogdan Bondarenko will duel at the Meeting Areva in Paris on Saturday 4 July, organisers of the IAAF Diamond League meeting announced on Wednesday (21).

With seven men having run faster than 61 minutes and five women quicker than 71 minutes, the course records at the Mattoni Karlovy Vary Half Marathon, an IAAF Silver Label Road Race, could be under threat on Saturday (23).

Canada s capital plays host to another spectacular weekend of racing as the Ottawa 10k and Scotiabank Ottawa Marathon take place on Saturday (23) and Sunday (24) respectively.

The 40th edition of Lausanne s famous Athletissima meeting on 9 July, an IAAF Diamond League meeting, will have a rematch between superstar triple jumpers Pedro Pablo Pichardo and Christian Taylor, the meeting organisers announced on Thursday (21).

The longstanding rivalry between Kenyan and Ethiopian long distance runners will be renewed once again when the 37th annual Freihofer s Run for Women 5K takes place on Saturday 30 May, after organisers announced their elite field on Wednesday (20).

Four world leads highlighted the IAAF World Challenge meeting in Beijing, and there was an attempt on Zhu Jianhua s iconic national record in the high jump by Zhang Guowei on Wednesday night (20).

It was a weekend of old rivalries, surprise packages and huge opening statements as the 2015 Diamond Race got underway in Doha and Shanghai.

The men s 200m at the Prefontaine Classic on 30 May, the next leg of the IAAF Diamond League, will feature five men with PBs faster than 20 seconds.

London 2012 Olympic Games heptathlon champion Jessica Ennis-Hill has confirmed that she will compete at the Sainsbury s Birmingham Grand Prix, an IAAF Diamond League meeting, on Sunday 7 June.

Tadese Tola, Ethiopia s world marathon bronze medallist, and his compatriot Birhane Dibaba, the 2015 Tokyo Marathon winner, will be on the start line of the 2015 Bogota International Half Marathon on Sunday 26 July.