Northern Data Group International Day at Chestertons Polo in the Park Partner Why International Day at Chestertons Polo in the Park is London’s Best Group Day Out This Summer Friday 5th June 2026 | Hurlingham Park, London Chestertons Polo in the Park has firmly established itself as one of the kick-starters of London’s summer calendar, and on Friday 5th June, the event’s International Day marks the beginning [...]