Trott joined forces with Katie Archibald, Dani King and Elinor Barker to set a new world best in the team pursuit.
And then recovered from a nasty fall in the elimination race, which left her needing stitches, to add the European omnium title to her Olympic success last summer, although her winning margin over Kirsten Wild was just 0.4 seconds.
Jess Varnish won team sprint bronze with Victoria Williamson and then claimed the same medal in the individual sprint.
Olympic champion Jason Kenny also settled for third in the men's sprint and took silver in the men's keirin.
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Euan Burton and Colin Oates both won gold at judo's European Cup in Glasgow.
Former world bronze medallist Burton beat British team-mate Ben Fletcher in the -100kg final while Oates took the -66kg gold.
"It's nice to win a medal here in Glasgow ahead of the Commonwealth Games," said Burton.
"This competition is a step up from my last medal and its nice to win in at an event that British Judo has made pretty special.
"I've fought Ben a couple of times, mainly more for fun but he's a really good judo player, up and coming and somebody the British public should definitely be looking out for in the future. To be fighting him in the final is good for the health of British Judo."
There were also bronze medals for Matt Purssey and Theo Spalding-McIntosh in the -90kg category.
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Elsewhere, Britain's women judokas won gold, silver and two bronzes at the women's European Open in Rome.
Sarah Adlington won the heavyweight +78kg category while Megan Fletcher lost in the -70kg final.
In addition, Kelly Edwards, Gemma Howell and Connie Ramsay all took bronze.
The result was a particular boost to Howell, in her first international event back after an injury to her knee which she underwent keyhole surgery to repair.
"It was a really great performance. Although we only took eight judoka out to Rome, five have medalled and the remainder placed so it is fantastic," said British coach Kate Howey.
"It is great to see Gemma Howell back on the mat again in international competition and each and every one of them fought well and hard and that will not be unnoticed."
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Olympic silver medallist Michael Jamieson continued his impressive recent form at swimming's World Cup in Dubai.
After two silvers in Moscow, he won 200m breaststroke gold and 100m silver in the second leg of the short course series.
Elsewhere, Sophie Allen took silver in the 200m breaststroke and Fran Halsall just missed the podium in the 50m and 100m freestyle.
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Leading national team rowers took part in the British Championships for the first time in several years, following a shift of date.
Henley's Leander Club dominated with members of this year's British World Championship squad competing in some unfamiliar boats for their clubs.
World women's pair champions Polly Swann and Helen Glover faced each other in the women's four event; Swann emerging victorious with her Leander crew.
World men's quad bronze medallist Charles Cousins and Olympic men's eight silver medallist Matt Langridge won the men's double scullwhile single scullers Jess Leyden and Vicky Thornley teamed up to win the double sculls.
Olympic champion Kat Copeland combined with Tina Stiller, Bethany Bryan and Jess Leyden to break the Leander winning streak in the women's quad.
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Chris Adcock and Gabby White took Olympic badminton champions Zhang Nan and Zhao Yunlei to three games before their encouraging campaign at the Yonex Denmark Open in Odense came to an end in the quarter-finals.
British number one Rajiv Ouseph also nearly pulled off a shock, before going down to All England champion Chen Long.
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Bryony Shaw, the only British competitor at the opening ISAF World Cup in Qingdao, finished sixth in the women's windsurfing on her return to the venue where she claimed Olympic bronze in 2008.
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And Great Britain claimed show jumping's overall Nations Cup title after a consistent season of performances.
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Finally, Patrick Huston claimed double gold at archery's junior World Championships, partnering Becky Martin to success in the mixed team event and then winning the individual men's recurve.