https://www.techradar.com/news/how-to-watch-the-derby-live-stream-horse-racing-from-epsom-anywhere-in-the-world

This year the Epsom Derby weekend, at the Epsom Downs racecourse, is due to run across Friday June 1 for Ladies Day and Saturday June 2 for Derby Day. 

The main event - the Investec Derby - will be held on Saturday June 2 with the race set to start at 4.30pm BST (11.30am ET, 8.30am PT in the US).