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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 Discover Carl's Top Sail Picks & Clearance Deals
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Photos

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Three Iconic Races Map
© ORCV Media Three Hummock Island Race
© Port Dalrymple Yacht Club Yachts racing at the 2025 Rudder Cup
© Al Dillon Alien dominating the 2025 Westcoaster
© Al Dillon Bass Strait Cup
© ORCV Media Osmotech UK Cowes–Alderney Race with JOG
© John Green Osmotech UK Cowes–Alderney Race with JOG
© John Green Osmotech UK Cowes–Alderney Race with JOG
© John Green Lipton Cup Regatta
© Royal Yacht Club of Victoria Lipton Cup Regatta
© Royal Yacht Club of Victoria Lipton Cup Regatta
© Royal Yacht Club of Victoria Lipton Cup Regatta
© Royal Yacht Club of Victoria Pwllheli SC's inaugural 10 Hour Race
© Oscar Robertson Photography Pwllheli SC's inaugural 10 Hour Race
© Oscar Robertson Photography Pwllheli SC's inaugural 10 Hour Race
© Oscar Robertson Photography Round the Island Race
© Paul Wyeth / www.pwpictures.com IRC Crew Podium in La Trinité-Cherbourg by Actual
© SNT RC Double podium with the overall winner, Alain Charmy, holding the cup in La Trinité-Cherbourg by Actual
© SNT La Trinité-Cherbourg by Actual
© SNT La Trinité-Cherbourg by Actual
© SNT Purple Haze wins the BTR trophy at the Bangor Regatta 2026
© JCP Imaging / jcpimaging.mypixieset.com The fleet takes on the wind at the Bangor Regatta 2026
© JCP Imaging / jcpimaging.mypixieset.com Squawk crowned Irish Champions at the Bangor Regatta 2026
© JCP Imaging / jcpimaging.mypixieset.com Some of the fleet at the Bangor Regatta 2026
© JCP Imaging / jcpimaging.mypixieset.com Trainees on Assassin, passing Stiletto and Flying Pig after re-starting - Spring and Summer Series racing at Royal Temple YC
© Alex Jackson Warrior, taken from Flying Pig - Spring and Summer Series racing at Royal Temple YC
© Andy Ketteringham Buccaneer holding off Stiletto - Spring and Summer Series racing at Royal Temple YC
© Alex Jackson Assassin on catch up after re-starting unnecessarily - Spring and Summer Series racing at Royal Temple YC
© Andy Ketteringham Pre-start view from the race box - Spring and Summer Series racing at Royal Temple YC
© Alex Jackson Aboard Assassin - Spring and Summer Series racing at Royal Temple YC
© Alex Jackson
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