When he crossed the line 30.81 seconds after the gun sounded the start of last night’s 300m contest in Ostrava's Golden Spike, Wayde van Neikerk once again stepped knee deep into uncharted waters.

Olympic 400m champion Wayde van Niekerk broke the 300m world best to highlight the Golden Spike, an IAAF World Challenge Meeting, in Ostrava, Czech Republic, on Wednesday (28).

Organisers of the Golden Spike have announced that world and Olympic 400m champion Wayde van Niekerk will contest the 300m at the IAAF World Challenge meeting in Ostrava, Czech Republic, on 28 June.

Two world indoor bests highlighted the first full day of competition at the US Indoor Championships, staged in the 1561m altitude of Albuquerque, New Mexico on Saturday (4).

Usain Bolt gave an emphatic demonstration of his readiness for an Olympic three-peat in Rio by running 9.88 (+1.0 m/s) to win the 100m at the JN Racers Grand Prix in Kingston, Jamaica on Saturday night (11).

Kurt Roberts put up a world-leading shot put mark of 21.57m, a personal best, with the last attempt of the competition to provide the highlight of the field events at the New Balance Indoor Grand Prix in Boston, the second IAAF World Indoor Tour event of the year, on Sunday (14).

Olympic 800m champion David Rudisha, world high jump champion Bogdan Bondarenko and European indoor 400m champion Pavel Maslak are among the first athletes signed up to compete at the Golden Spike IAAF World Challenge meeting in Ostrava on 26 May.

A championship record of 6273 in the men’s heptathlon by Jeremy Taiwo highlighted the action on day two of the USATF Indoor Championships in Boston on Saturday (28).

Bernard Lagat provided the highlight of the 107th NYRR Millrose Games, the oldest invitational athletics meeting in the USA, when he set a US 2000m indoor record of 4:54.74 at the Armory in New York on Saturday (15).

Poland’s Anna Rogowska went to the top of the 2014 women’s pole vault list when she cleared a world-leading 4.76m at the Flanders Indoor meeting, an IAAF Indoor Permit meeting, on Sunday (9).

One week after setting a world junior indoor 1000m record, USA’s Mary Cain came close to achieving the same feat in the mile at the Boston University Terrier Invitational on Friday (24).

The traditional Moscow Christmas Cup meeting on Sunday (12) saw two world-leading performances from a pair of Svetlanas: middle distance runner Svetlana Karamasheva and long jumper Svetlana Biryukova.