It was the first time that both winners retained their titles in Elgoibar.
MoreLast week, Chebet set an impressive world 5km record in Barcelona thanks to a 13:54 performance while Aregawi took the top spot at the San Silvestre Vallecana, setting a course record of 26:32 over a slightly downhill 10km circuit.
MoreThe key move came with one kilometre remaining when Chebet broke away from her compatriots to cover the final lap in 6:54, securing her first victory in Elgoibar in what was her third appearance.
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