The women's 4x400m relay at the IAAF World Junior Championships Bydgoszcz 2008 (© Getty Images)
The IAAF World U20 Championships Bydgoszcz 2016 gets under way at the Zawisza Stadium on Tuesday (19), and you can follow every run, jump and throw on the IAAF website.
Live action
Live blog (active during competition sessions)
IAAF app: App Store, Google Play, Amazon appstore
If you already have the app, be sure to download the latest update to benefit from all the features.
Social media
Twitter: @iaaforg
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