A dozen recently established world champions are due to compete in Chorzow, in Silesia, tomorrow in the first Diamond League meeting to be held on Polish soil.

Home athlete Sydney McLaughlin broke the 400 metres hurdles world record for the fourth time as she won her first world title amid frenzy at Hayward Field, becoming the first woman to break 51 seconds with an unearthly clocking of 50.68sec.

Yesterday marked the 100^th anniversary of the birth of Jamaica’s sprint genius Herb McKenley, who was, and still is, the only man to simultaneously hold the world’s best times for the 100, 200 and 400 metres in the same year.

Trayvon Bromell’s mercurial 100 metres career had an up rather than a down day at the Prefontaine Classic as he earned a victory that may not have been one of his swiftest - in 9.93sec on a blustery afternoon - but might, given the opposition, have been one of his most significant.

Christian Coleman marked his first 100 metres since winning the world title in 2019 with victory at the Golden Grand Prix today in Tokyo’s National Olympic Stadium, even though he looked less than comfortable in clocking 10.09 seconds.

Home sprinter Ferdinand Omanyala won the concluding 100 metres at the Kip Keino Classic in Nairobi in 9.85sec - the fastest time of the season so far - to ignite scenes of joy in a crowd which included the Kenyan President, Uhuru Kenyatta.

The newly renovated Hilmer Lodge Stadium in Walnut, California will take on the aspect of a sprinter’s paradise tomorrow as some of the world’s finest exponents converge in what are expected to be a series of intriguing match-ups.

After the startling exploits seen recently in the 400 metres hurdles, it is the turn of the 400m flat event to become the main focus at Székesfehérvár in Hungary tomorrow when South Africa’s world record-holder Wayde van Niekerk has his first-ever race against the rising American talent Michael Norman.

Venezuela's Yulimar Rojas is in awesome form as she prepares to compete in tomorrow night's second Diamond League meeting of the season at the Khalifa Stadium in Doha, where she retained her world triple jump title in 2019.

Michael Norman, denied the official world indoor 400 metres record on a technicality in 2018 after recording 44.52sec, has the chance to earn a valid one in New York tomorrow.

Two outstanding 21-year-old American sprinters pushed each other to outstanding performances over 200 metres tonight at the International Association of Athletics Federations Diamond League meeting in Rome, with Michael Norman winning narrowly in 19.70 seconds, the fastest time in the world this year, and Noah Lyles finishing just two hundredths of a second behind.

Noah Lyles of the United States, seeking a hat-trick of Diamond League trophy wins over 200 metres, faces compatriot and fellow 21-year-old sprinting marvel Michael Norman tomorrow night as the International Association of Athletics Federations' flagship series reaches Rome.

Wind and rain checked the ambitions of a hugely talented field at the third International Association of Athletics Federations (IAAF) Diamond League meeting of the season in Stockholm tonight.

United States sprinting phenomenon Michael Norman will be the centre of attention in Stockholm tomorrow as he runs his first 400 metres at an International Association of Athletics Federations Diamond League meeting.

Birhanu Balew of Bahrain won the men's 5,000 metres here at the eighth International Association of Athletics Federations Diamond League meeting of the season in a personal best and 2018 world-leading time of 13min 01.09sec.