Annalise Murphy has won Ireland's second silver medal of the Olympic Games.

You've nothing else to do today, have you?

Poor crowds were once again the main talking point at the Rio Olympics on Friday, even as the athletics got under way.

The interactive graphic looks forward to #Rio2016 with a look at how the men's and women's 100m, 200m, 400m, 800m, 1500m, 5000m and 10000m track records have evolved over time.