Wayde Van Niekerk of South Africa gestures ahead of the men's 400m final on Day 5 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 8, 2017. Wayde Van Niekerk claimed the title with 43.98 seconds. (Xinhua/Han Yan)
LONDON, Aug. 8 (Xinhua) -- South Africa's Wayde Van Niekerk unsurprisingly defended his 400m title at IAAF World Championships here on Tuesday.
The current world record holder and Olympic gold medalist finished the race with a comfortable 43.98 seconds.
Steven Gardiner of Bahamas finished runner-up at 44.41, while Abdalelah Haroun of Qatar ranked third with seven hundredths of a second adrift.
