Zurich's Letzigrund Stadium (© Getty Images)
Welcome to our comprehensive lead-in coverage to the Weltklasse Zurich, the first of two IAAF Diamond League finals.
This page will be updated regularly throughout the day today and right up until the competition begins, incorporating news gathered from our correspondents on the ground in Zurich and from IAAF, local organisers' and athletes' social media channels. In short, a one-stop shop for all things Weltklasse.
To get up to speed, check out our main in-depth meeting preview.
Updates provided by Mike Rowbottom.
