SOME of the biggest names in eventing descend on Oxfordshire this week for the Ssang Yong Blenheim Palace International Horse Trials.

Zara Tindall has entered a horse in three classes.

She will compete against fellow Olympic medallists William Fox-Pitt, Pippa Funnell, Sir Mark Todd, Blyth Tait, and Andrew Hoy.

Today’s action includes the CCI3* and CIC3* eight and nine-year-old horse dressage, as well as the riding club team eventer challenges.

The trials are held at the famous venue until Sunday afternoon.