Both athletes in the main programme won their events, as South Africa's track and field stars shone throughout the World Athletics Diamond League meeting in Stockholm, Sweden on Sunday.
Akani Simbine picked up his first Diamond League victory of the season, taking the men's 100m race.
Building on his fine form this season, Simbine stopped the clock at 10.03 seconds, with British athlete Reece Prescod taking the runner-up spot in 10.14.
Former national champion Zakithi Nene also showed his opponents a clean pair of heels in the men's 400m contest.
Nene earned a breakthrough Diamond League win, crossing the line in 45.30. Nigerian athlete Emmanuel Bamidele grabbed second position in 45.48.
Earlier, on the pre-programme, three South African athletes finished second in their respective events.
In the women's 100m hurdles B-race, Taylon Bieldt clocked 12.92. She was 0.16 outside her four-week-old personal best of 12.76, which had stood briefly as the SA record until it was broken by Marione Fourie who secured victory in 12.55* at the Resisprint International Meeting in Switzerland earlier on Sunday.
Bieldt was edged out by Irish athlete Sarah Lavin who won the B-race in Stockholm in 12.89.
In the men's 400m B-race, Gardeo Isaacs was second in 47.09, with Emil Johansson of Sweden taking the win in 46.69.
Benjamin Richardson ended second in the men's 100m B-race in 10.24. He was edged out by German athlete Joshua Hartmann who won in 10.23.
The eighth leg of the World Athletics Diamond League series will be held in Chorzow, Poland on 16 July.
* All SA records are subject to standard ratification procedures.
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About Athletics South Africa:
Athletics South Africa (ASA) is the national governing body for the sport of athletics (including Track and Field, Cross Country, Road Running and Race Walking) in South Africa, is a member of World Athletics and the Confederation of African Athletics. The association was formed in 1995 and is based in Johannesburg.