Over 10,000 people are expected to meet race horses and trainers in Berkshire today.
Stables throughout the Lambourn Valley have opened their doors to the public so they can get an unique insight into how the racing industry really works.
Many of the stables have special exhibits and some demonstrations, including horses using hydrotherapy pools.
More top news
Fine this evening, then dry overnight with mist likely in places. Sunny spells tomorrow morning with hazy sunshine in the afternoon
A fine and sunny evening, then dry and clear overnight. A sunny start to Monday with hazy sunshine into the afternoon and feeling fresher
The grass pollen risk will rise to very high during warm, sunny weather. Weed pollen will also be airborne