Welcome to our comprehensive lead-in coverage to the Prefontaine Classic in Eugene, the third stop of the 2017 IAAF Diamond League series.

This page will be updated regularly throughout the day today, tomorrow and right up until the main competition programme begins on Saturday, incorporating news gathered from our correspondents on the ground in Eugene and from IAAF, local organisers' and athletes' social media channels. In short, a one-stop shop for all things IAAF Diamond League in Eugene.

To get up to speed, first check out our main in-depth meeting preview. Feel free to share it on Facebook and Twitter.

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