The NOS Rio Addon for Kodi has great coverage of the Rio Games. Its developed by Dutch devoloper Patrick Dijkamp, so main in Dutch.

Follow the guide to install DC Sports on Kodi (XBMC):

• Download The Zip file
• Once File is downloaded, save it to to your device, or somewhere you can access it from Kodi
• Open Kodi
• Go To System
• Then Addons
• Then Install From Zip
• Point it to the location you saved the downloaded file in the first step and select  plugin.video.nosrio2016-1.0.2.zip and install
• Wait for the addon enabled notification to let you know its installed.