Tokyo 2020 silver medallist Kristóf Rasovszky of Hungary improved his result at the Paris Games by taking gold in the men’s 10-kilometre open water marathon on Friday. The world champion led for most of the race and completed the course on the Seine in 1 hour 50 minutes 52.7 seconds to finish 2.1 seconds ahead of Germany’s Oliver Klemet. Bronze also went to Hungary as David Betlehem powered his way to the podium in a tight fight with Italy’s Domenico Acerenza and finishing just 0.6s ahead of the Italian opponent. Tokyo 2020 champion and co-favourite Florian Wellbrock of Germany was only eighth…