The Hurley Regatta takes place tomorrow in what will be its 40th anniversary.
Special events are planned to mark the regatta's ruby event tomorrow including prizes for 'best-dressed' competitors.
The traditional raft race, where competitors have to build a raft in one hour before racing it on the river, will also be included.
Regatta committee chairman Martin Fry, said: "It's always a nice day.
"There will be lots of things going on for the children and the races, which are the main attraction."
Last year more then than 1,000 people flocked to the riverbanks in Mill Lane to enjoy a variety of fun races.
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The victim of an assault in Cippenham was flown to hospital by air ambulance this afternoon.
A rapid response vehicle, an ambulance officer, an air ambulance and an ambulance crew were all called to an address in Earls Lane at 2.10pm.