Aspire to being invited into the "Enclosure"
This means you are going to one of the private clubs along the Thames which is where the drinking and deals are being made. The pinnacle is the Stewards’ Enclosure.
Seek out the "Umpires’ Launches"
You’ll get a first-hand vision of the races if you can get on one of these day boats that allow you to be on the river while the racing is on.
Bring a picnic and an umbrella
British summer weather can be unpredictable so be prepared.
Spend a few extra days enjoying the Berkshire Valley and the Cotswolds
This is the ideal time of year to rent a car and roam the English villages. Pay particular attention to these quaint little towns: Bray, Castle Combe, and Bourton-on-the-Water.