Follow live coverage of the final two days of the Badminton Horse Trials across BBC Two, BBC iPlayer, BBC Red Button and online.
Last year's winner Jonelle Price has been withdrawn and will not defend her crown.
There are six other previous winners in the field including Britain's Pippa Funnell, William Fox-Pitt and Oliver Townend.
The dressage takes place earlier in the week, with the cross country on Saturday, before Sunday's show jumping segment, which will decide the final placings.
BBC coverage times
All times are BST and subject to change.
National and regional variations
National and regional variations have been included in this list where possible. Please check your local listings for more detailed information.
You can view all our TV and Red Button broadcasts as well as listen to our radio sports programming on the BBC iPlayer.