Multiple yacht clubs across Perth hold invitational racing throughout the winter season (May to September). You don't need to be a member of the yacht club to participate, but you are required to register.
Here is a list of some Winter Series racing available for the Optimist class:
Fremantle Sailing Club
- Sat 17 May
- Sat 14 June
- Sat 26 July
- Sat 16 August
Hillarys Yacht Club
- Sat 7th June
- Sat 21st June
- Sat 26th June
- Sat 9th August
- Sat 23rd August
Nedlands Yacht Club
- Sun 15 June
- Sun 20 July
- Sun 17 August
- Sun 14 September
Royal Freshwater Bay Yacht Club
- Sun 25 May
- Sun 8 June
- Sun 22 June
- Sun 20 July
- Sun 17 August
- Sun 7 September
Royal Perth Yacht Club
- N/A
South of Perth Yacht Club
- Sun 18th May
- Sun 15th June
- Sun 29th June
- Sun 13th July
- Sun 27th July
- Sun 10th August
- Sun 24th August
Mandurah Offshore Fishing and Sailing Club
- Sunday 8th June
- Sunday 22nd June
- Sunday 6th July
- Sunday 20th July
- Sunday 3rd August
- Sunday 17th August