Valente and Mitchell come from countries with little track cycling tradition, though.
After winning his semifinal Sunday, Kenny slotted in behind the motorized pacing bike for the first three laps of the finals.
It was the seventh gold medal for Kenny, breaking a tie with his sprint mentor Chris Hoy for the most among Brits.
“At this moment I’m not really happy with it,” Lavreysen said.
It was a less successful day for Kenny’s wife, Laura, who was favored for omnium gold after taking the multidiscipline event the first two times it was contested in the Olympics.
Kenny took seven points to win the tempo race but, more importantly, Edmondson and several other contenders lost 20 points when Valente and Co.
In the final race of the entire Olympic cycling program, Valente won the first sprint in the points race to pad her lead, then got up from a crash with 30 laps left to keep from losing any ground on her closest pursuers.
The women’s sprint figured to be a showdown between Emma Hinze, last year’s world champion from Germany, and Wai Sze Lee, the 2019 world champion from South Korea.
Starikova, who had already upset reigning bronze medalist Katy Marchant to reach the semifinals, swept past Lee in their match.
“The past year and a half has been very up and down with the postponement of the Olympics and not being able to race,” Mitchell said, “but I have incredible teammates, an incredible coach, staff around me.