Dutch sprint sensation Dafne Schippers predicted that the Rio Olympics would be an altogether different experience from the London edition four years ago.

Mo Farah and Dafne Schippers, arguably Europe's two biggest track stars, will hone their Olympic preparations with what promises to be two testing outings at Friday's Monaco Diamond League.

Jamaica's Shelly-Ann Fraser-Pryce narrowly beats Dafne Schippers of the Netherlands to retain her 100m world title in Beijing.