Yumi Kajihara, centre, won the women's omnium by one point ©Twitter/UCI Track Cycling

Japan and New Zealand celebrated double gold on the first day of medal events at the International Cycling Union (UCI) Track World Cup in Santiago, Chile.

Yuta Wakimoto secured an impressive victory in the men’s keirin event, having progressed through the early rounds at the Peñalolén Velodrome.

The 28-year-old powered to success in the final by holding off the challenge of Ukraine’s Andrii Vynokurov, who repeated his silver medal from the World Cup in Manchester last month.

Pavel Kelemen completed the top three, with the Czech sprinter pushing France’s multiple world champion Francois Pervis into fourth.

Yumi Kajihara secured Japan’s second gold medal of the day, having held off a late surge from Italy’s Elisa Balsamo in the women’s omnium.

Kajihara had won both the tempo and elimination events to top the standings, having opened the four-discipline competition by finishing fourth in the scratch race.

Having started the final event in sixth place, Balsamo won three sprints to place herself in medal contention.

The Italian then triumphed in the final sprint, which offered double points, to end narrowly behind the winner.

Kajihara finished as the gold medallist on 129 points, while Balsamo achieved a commendable silver ending a point behind.

Ukraine’s Tetyana Klimchenko secured bronze on a total of 119 points.

There was success for New Zealand in the women’s team pursuit competition, with their team of Racquel Sheath, Bryony Botha, Rushlee Buchanan and Kirstie James earning the gold.

Russia earned the men's team sprint gold in Santiago ©Twitter/UCI Track Cycling
Russia earned the men's team sprint gold in Santiago ©Twitter/UCI Track Cycling

They finished the gold medal race in a time of 4min 17.804sec to beat rivals Italy, who clocked 4:19.415.

Japan won the bronze medal ride against China, with their team ending in 4:28.615.

New Zealand and Italy went head-to-head again in the men’s madison, with the former prevailing again.

Their duo of Thomas Sexton and Campbell Stewart claimed 32 points to win the event, with Italy’s Francesco Lamon and Michele Scartezzini second on 25.

Austria’s Andreas Graf and Andreas Muller were the bronze medallists on 20 points.

The women’s sprint competition saw Ukraine’s Liubov Basova earn gold, as she beat Russia’s Daria Shmeleva in straight rides.

Lee Hyejin of South Korea triumphed in the bronze medal match in the same manner, overcoming Natasha Hansen of New Zealand.

Russia emerged as the winners of the men’s team sprint competition, with their team featuring Shane Perkins, who formerly competed for Australia.

Perkins triumphed alongside Pavel Yakushevskiy and Denis Dmitriev, as the Russian team beat France in the final.

Bronze was claimed by South Korea, as they saw off the challenge of China.