Bibby rolled home alone at the head of the Manx International Grand Prix having attacked on the final lap of the 37.5 mile TT course.
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Madison Genesis‘s Erick Rowsell initially went with Bibby’s attack, but the Preston rider put in a second dig on the final climb to get away before descending to victory.
Team Sky’s Ben Swift finished third behind Rowsell, with teammate Pete Kennaugh, who holds the TT course lap record on bicycle, finished seventh.
Kimberley Ashton won the women’s race, finishing 1-34 up on Nicola Juniper and Elizabeth Stedman in the two-lap race – highlights are below.