Some of the sailors headlining the fleet make up a large part of the Australian SailGP team, with Tom Slingsby, Kyle Langford and Kinley Fowler all poised for good results.
The objective is to beat the existing record of 40-days 23 hours 30 minutes and 30 seconds and cross back over the line again before 20h 27' 25" UTC on January 13, 2020.
About 500 volunteers are required to support the 2020 series of sailing events with the RGYC hosting four world championships which will attract some of the world’s best sailors.
With wind speeds up to 37 knots recorded on the race course earlier in the day, the sensible decision was made to keep all sailors ashore until sailable conditions arrived.
To be held from 9-13 January, the Championship and its lead-in events are expected to attract around 27 boats; 13 Moderns, nine Evolutions and five Classic 5.5 Metre boats.
Defending champion, Ray Roberts, faces tough opposition, finishing only third on the opening day.
Blair Tuke hoped it was a good omen as heavy rain belted down during last night's opening ceremony.
If you want to bring your own boat, you can get live updates from race management to help you get the best position on the water.
After leading narrowly over the first lap of the course, Winning Group raced away over the second windward leg from Clark Island to the Beashel Buoy to defeat Shaw and Partners Financial Services by 2m59s.
The Kiwis reign supreme again, with Jordan Stevenson’s team defeating Great Britain’s team Matt Whitfield for the prize.
It was another postcard sailing day on Sydney Harbour with 8-18 knots blowing from the north-east.
Perfect Sydney conditions greeted the fleet on Day 2. Sunshine, warm temperatures and a perfect breeze ranging between seven and 14 knots provided the perfect race track in Rushcutters Bay.
Australian Rio silver medallists Jason Waterhouse and Lisa Darmanin finished fourth in the Nacra 17 and will be looking to improve on that result next week at the Worlds.
Wild weather conditions swept across Sydney at midday, temporarily postponing racing.
It will be a home affair for world class Finn sailor Oliver Tweddell when the Finn Gold Cup – the World Championships of the Olympic Finn class – starts in Melbourne.