Joe Choong failed to become Britain's first Olympic medallist in the men's modern pentathlon after a poor final round.
Australia's Chloe Esposito wins Olympic gold as Britain fail to win a modern pentathlon medal for the first time since 2000.
BBC Sport provides a guide to all of the Olympic sports and how you can watch your favourite events again (UK only).
Which events make up the modern pentathlon? What's new for Rio 2016? And who are Team GB's medal hopes?
Audio & Video
Russia's Aleksander Lesun streaks clear to win modern pentathlon gold, with Ukraine's Pavlo Tymoshchenko claiming silver and Ismael Hernandez Uscango of Mexico taking bronze.
Get Inspired Activity Finder
Run by the BBC and partners
Find ways to get active near you:
For more ideas, information and inspiration, visit bbc.co.uk/getinspired
Birmingham - we want your kit!
Got some sports kit lying around? Donate it and help young people to get active.
How anyone can get involved in just about any sport
No matter what your fitness ability or interest, there's an inclusive activity out there for you - and Get Inspired has got guides to practically every one.