American Christian Coleman signalled a return to form and fitness by edging out compatriots Ronnie Baker and Noah Lyles to win a thrilling Diamond League 100-metre race in Rabat, while Hellen Obiri set a new world-leading time in the women's 5,000m.
Coleman, who was runner-up to Justin Gatlin at last year's world championships, was quick out of the blocks but only just clung on to beat Baker in a season's best time of 9.98 seconds yesterday.
The 22-year-old set a 60m world record of 6.34sec earlier this year, but has struggled with injuries since.
He will now turn his attentions to this weekend's inaugural athletics World Cup in London.
"It was a perfect night for me -- good race and good time, I couldn't be happier," he said.
"I am not so surprised to win on my first race (back), even with such a great field because I was very fast in practice these last days. When I was injured, I managed to keep a good condition."
- Obiri shows her class -
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