Grace Stark leads her heat of the girls' 100m hurdles at the Buenos Aires 2018 Youth Olympics Games (© OIS/IOC)
Video embedded from olympicchannel.com
Watch all of the athletics action from the Buenos Aires 2018 Youth Olympic Games via the official live stream.
Provided by The Olympic Channel, the live stream will cover all six days of athletics from the Argentinean capital and will be active during the competition sessions.
There will be daily reports and pictures on the IAAF website with further updates on the IAAF's social media channels.