Michael Phelps won a record eight gold medals at the Beijing Olympics, but has had a dismal time over the last 18 months. Photograph: John Pryke/EPA Michael Phelps has signalled his intent to regain medal-winning form at the world swimming championships after a dismal 18 months. Phelps, who won a record eight gold medals at the Beijing Olympics, lost his third race in a row last month in his signa