Kerry's David Kenny competes in the men's 20-k walk at the World Championships in Oregon later.
The Farranfore-Maine Valley man, who finished in the top 30 at last year's Olympics, races a little after 11pm Irish time.
Kenny is currently ranked in the top 10 in the world this year.
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Also today from an Irish point of view-
Teen sensation Rhasidat Adeleke is part of the 4-by-400 mixed relay team, who go in the second of two heats at 7.45 this evening.
Sarah Healy goes in the heats of the women's 15-hundred metres
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And Eric Favors and John Kelly are in shot put qualifying.