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IRC

IRC

IRC is a rating rule to handicap different designs of keelboats allowing them to race together. Each boat’s rating (her ‘handicap’) is calculated using measurements of the boat; her length, weight, draft, sail area, etc. The resulting time corrector, the boat’s ‘TCC’, is her handicap. After a race, each boat’s elapsed time (the time she has taken to complete the course) is multiplied by her TCC to calculate her corrected time (her race time making allowance for the characteristics of the boat). The boat with the shortest corrected time is the winner of the race.

&copy; Paul Wyeth / <a target="_blank" href="http://www.pwpictures.com">www.pwpictures.com</a> © Paul Wyeth / www.pwpictures.com
Show news Entries surpass 100 for Airlie Beach Race Week
74 Islands Distillery has signed up as Naming Rights Sponsor
Posted today at 8:35 am Register now for Ullman Sails Long Beach Race Week
LBRW is open to multiple classes and in 2025 the event is proud to host the Catalina 37 Nationals
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A set of 3 torches specifically designed for offshore racing crews
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18 entries representing Queensland, Northern Territory, South Australia, NSW and Victoria so far
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Posted on 13 May BMW Spring Regatta 2025 at RHKYC
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The countdown is on to the 2026 RORC Caribbean 600
Posted on 12 May Race Yachts latest premium offerings
When only the best will do...
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Sussex Yacht Club makes a final call for entries
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Posted on 8 May Medway YC Cruiser Spring Series race 3
Strong wind and a beat all the way to Essex
Posted on 7 May RCIYC Nick Cousins Memorial Spring Regatta Preview
Scheduled to run from Friday to Sunday 16th to 18th May in Jersey
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Over 600 boats have already signed up for this year's event
Posted on 7 May Tomes Cup 2025 at the Royal Hong Kong Yacht Club
Sixty-seven boats enjoyed fair wind in Hong Kong's Victoria Harbour
Posted on 6 May Cervantes Trophy Race
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The event has traditionally started the Mediterranean maxi yacht racing season
Posted on 5 May Antigua Race Week overall
Steve Rigby's chartered J/122 El Ocaso claimed Antigua Sailing Week's most coveted prize
Posted on 3 May Antigua Race Week Day 5
Steady tradewinds return
Posted on 2 May Antigua Race Week Day 4
One-third of the classes started the penultimate day with boats tied on points at the top
Posted on 2 May Harken Official Supporter of 2025 Admiral's Cup
This historic international yachting regatta returns in July
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Superb racing delivered
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Some dozen boats gathered on the start line with spring tide flooding at full strength
Posted on 29 Apr Antigua Race Week - Marina Resort Women's Race Day
Tight margins define racing
Posted on 29 Apr La Larga crowns the winners of its fifth edition
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Posted on 28 Apr Antigua Race Week - English Harbour Rum Race Day
Tight racing and fun on shore
Posted on 28 Apr 'Trifork' wins La Larga line honours
The VO70 completed the 228 mile course in 24 hours and 34 minutes
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Links
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Photos

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A bonus for sailors and visitors to Airlie Beach - Airlie Beach Race Week
© Andrea Francolini / ABRW Like Oxygen in form at the Sydney Harbour Regatta
© Andrea Francolini Looking down on Whitsunday Sailing Club and local marinas - Airlie Beach Race Week
© Andrea Francolini Don Forster in 'Memory Maker' heading to Weymouth - SORC Offshore Series week 1
© Simon Mitchell Maritimo
© Michael Spies Vertigo, Clockwork, No Mans Land in 2024 during the Australian Women's Keelboat Regatta
© Andrea Francolini / AWKR Salamander III in company with Jacobina and No Mans Land during the Australian Women's Keelboat Regatta
© Andrea Francolini / AWKR Fowey to St Mawes Coastal Race - Race winner Dakota, 1454
© Paddy Scullion Fowey to St Mawes Coastal Race - Slipstream 9994, off the start line in Fowey
© Chris Quinlan Fowey to St Mawes Coastal Race - Harry on the bow of Dakota
© Paddy Scullion Marina Ibiza wins 9th APD Crossing Regatta aboard SY Galaxie
© Marina Ibiza Sun Fast 3200 Cora - RORC De Guingand Bowl Race
© Paul Wyeth / RORC BMW Spring Regatta 2025
© RHKYC/ Guy Nowell Annette (left) and Sophie (right) of Fika having finished the 2025 Melbourne Osaka Cup
© Kazuyoshi Yamano Fika setting out on the race to Japan in the 2025 Melbourne Osaka Cup
© Al Dillon Fika from up top during the 2025 Melbourne Osaka Cup
© Sophie Snijders / www.inheroceanwake.com Leo Wealth Steering the Course Women's Sailing Festival
© Hebe Haven Yacht Club Royal Escape Race 2023
© Sussex Yacht Club Ltd Royal Escape Race
© Sussex Yacht Club Ltd Royal Escape Race 2023
© Sussex Yacht Club Ltd Royal Escape Race 2024
© Sussex Yacht Club Ltd On board AdvantEdge during the Three Hummock Island Yacht Race
© AdvantEdge Medway YC Cruiser Spring Series race 3
© Martin Godden Medway YC Cruiser Spring Series race 3
© Martin Godden Medway YC Cruiser Spring Series race 3
© Martin Godden Ramsgate Week
© Nick Champion / www.championmarinephotography.co.uk Ramsgate Week
© Nick Champion / www.championmarinephotography.co.uk Kindred Spirit during the Round the Island Race
© Paul Wyeth / www.pwpictures.com Needles rounding during the Round the Island Race
© Paul Wyeth / www.pwpictures.com RHKYC Tomes Cup 2025
© RHKYC / Guy Nowell
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