Bank Holiday Monday will see around 300 little yellow ducks racing along the beck just outside Howsham, cheered on along the bank by dozens of spectators.
The village hall will be open from 1pm for anyone wanting to sponsor a duck ahead of the race. Cost is £2 a duck, with all proceeds for Howsham Park funds.
At 2pm, everyone will walk to the start of the race and once there, all the ducks will dropped into the beck together.
There are cash prizes for the first three ducks to finish and a consolation prize for the last duck.
There will also be cakes, refreshments and the winners announced back at the village hall after the race.
For updates and more details visit www.cadneycumhowsham.co.uk or follow @Cadney_Howsham on twitter.