Germany's Kristina Vogel retained her women's sprint crown at the Track Cycling World Championships in the Vélodrome de Saint-Quentin-en-Yvelines in Paris today.
Following yesterday's qualification and initial knock-out rounds the women's sprint resumed at the semi-final stage, with Vogel facing a rematch of last year's final against Tianshi Zhong of China.
Zhong looked set to avenge that defeat after winning the first of the best of three match sprint, however, the German battled back to win both the second and third rides to progress to the final.
The defending champion faced The Netherlands' Elis Ligtlee, who had a more straightforward semi-final after beating Australia's Stephanie Morton in straight rides.
But Ligtlee was unable to take advantage of any fatigue that Vogel's additional ride might have caused, as the 24-year-old Kyrgyzstan-born cyclist won both rides against her Dutch competitor to retain her title.
Zhong overcame Morton in the bronze medal ride to round off the podium.
The men's omnium also drew a close with overnight leader Fernando Gaviria of Colombia maintaining his advantage throughout today's competition to win gold.
Gaviria entered the World Championship off the back of two victories last month over Britain's Mark Cavendish, generally regarded as one of the best sprinters in history, in the Tour de San Luis and the 20-year-old sprinter showed his versatility throughout the competition, beginning the second day with a fourth place finish in the 1 kilometres time trial.
An eighth place finish in the points race failed to dent the Colombian's overall lead and a composed fifth place finish in the points race saw him take gold with 205 points.
Australia's Glenn O'Shea ended the competition 15 points behind to earn the silver medal, while the Italian Elia Viviani's 181 points saw him hold off the challenge of Jasper de Buyst for bronze, with the Belgian ending three points off the medals with 178 points.
The men's 4km individual pursuit event pitted the silver medallist from the 2014 Cali World Championship, Stefan Kueng of Switzerland, come up against Australia's Jack Bobridge, fresh from his bronze in the team event.
Bobridge who narrowly failed to break the men's hour record in January qualified fastest for the final but was forced to settle for silver, finishing 0.2 seconds behind Kueng's 4min 18.915sec, while France's Julien Morice took bronze.
Despite multiple attacks in the 10km women's scratch race the field remained together until the end, resulting in The Netherland's Kirsten Wild sprinting through the crowd to take gold ahead of Australia's Amy Cure and Canada's Allison Beveridge, who earned silver and bronze respectively.
Wild was victorious, despite also competing in the women's omnium, which she leads at the halfway stage.
But the Olympic champion, Laura Trott of Britain, is well placed in third after recovering from a bad start to win the individual pursuit and elimination races.
The event in the French capital, organised by the International Cycling Union, (UCI), is due to draw to a close tomorrow evening, with home favourite François Pervis bidding to retain his men's sprint title.
But the Frenchman required a win in today's repecharge to remain in the competition after an earlier defeat.
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