Trott, who won Olympic gold in the multi-discipline event on the same London boards four years ago, was a model of consistency throughout two days and maintained her stranglehold during the concluding points race.
Local girl Trott, a favourite with the sell-out crowds at the sleek London velodrome, just had to stay out of trouble over the last 40 laps of the 100-lap points race, having extended the 12-point lead she built up over the first five disciplines.
There were no alarms as she finished with 201 points, 18 ahead of her rivals.
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Laura Trott (C) of Britain competes in the points race of the women's omnium

Image credit: Reuters

The battle for silver went right down to the wire with France's Laurie Berthron edging Olympic silver-medallist Sarah Hammer of the U.S. in the final sprint.
"I spoke to my coach before and he said if I get to the last 20 laps to go with a big lead I could just ride around and follow," the 23-year-old told the BBC.
"It's taken four years to get the gold medal back," she added referring the omnium world gold she won just before her stunning Olympic showing.
Britain leads the medal table with four golds.
China will have its first world champion in the women's individual sprint after Lin Junhong upset Australia's Anna Meares in the semi-final.
Team-mate Tianshi Zhong then scored a similarly impressive 2-0 victory over twice world champion Kristina Vogel of Germany.
Britain could add more gold later when Trott's boyfriend Jason Kenny races in the keirin final and Mark Cavendish and Bradley Wiggins conclude the five-day event in the Madison.
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