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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.

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Show news Surf to City
It's kind of a big deal. Southport to Brisbane. A plethora of divisions, spread over inshore and off
Posted today at 9:00 pm Mersea Week 2026 preview
Last year, more than 150 boats of every description took to the estuary
Posted on 7 Feb Aramex Dubai to Muscat Offshore Race overall
Camaraderie at the back of the fleet as final boats finish the race
Posted on 6 Feb 2026 RORC Easter Challenge preview
This three-day Solent regatta delivers high-quality racing alongside expert coaching
Posted on 5 Feb Ida Lewis Distance Race preview
Newport's ultimate 24-hour offshore test
Posted on 4 Feb Aramex Dubai to Muscat Offshore Race day 5
Spirits high as more arrive into Muscat and potential overall winner emerges
Posted on 4 Feb Aramex Dubai to Muscat Offshore Race day 4
French boats claim one-two finish after thrilling three-day chase
Posted on 3 Feb The best and toughest 7 inch full colour display
Refit Season, with A+T Instruments
Posted on 3 Feb RORC Transatlantic Race summary
Innovation, preparation and seamanship at the highest level
Posted on 2 Feb Aramex Dubai to Muscat Offshore Race day 3
Tan 3 breaks clear but may be penalised for an alleged rule infringement
Posted on 2 Feb Aramex Dubai to Muscat Offshore Race update
The fleet of 33 boats has completed its first full day at sea
Posted on 1 Feb Aramex Dubai to Muscat Offshore Race start
33 teams from eight countries set sail
Posted on 31 Jan Super 40 & TP52 Australia Classes unite for 2026
Inspired by the Admiral's Cup format
Posted on 30 Jan Dubai to Muscat Offshore Sailing Race preview
360-nautical mile course includes Arabian Gulf, Strait of Hormuz and Gulf of Oman
Posted on 29 Jan All the IRC Championships in 2026
There's a full and varied season ahead
Posted on 29 Jan Henri-Lloyd continues its support of JOG
Helping increase younger participants in coastal and offshore racing
Posted on 28 Jan Join 21st celebrations at Sydney Harbour Regatta
Everyone loves a good 21st birthday bash, so get set to join
Posted on 28 Jan Circumnavigation and transatlantic records fall
New Jules Verne Trophy and Transatlantic Race records established
Posted on 27 Jan The other way
Is it the wrong way? Some even think it might be the right way! Hobart to Sydney. The delivery home.
Posted on 27 Jan Festival of Sails 2026 concludes
With the Victory Bash Presentation Party at the Royal Geelong Yacht Club
Posted on 26 Jan RORC Transatlantic Race: Fleet update
The shape of the IRC fleet results are now almost decided
Posted on 25 Jan Royal Langkawi International Regatta 2026 overall
A final day of tactical duels decide the prestigious Prime Minister's Challenge Trophy
Posted on 25 Jan Breeze builds as Festival of Sails hits stride
Racing filling Corio Bay with action and colour
Posted on 25 Jan Festival of Sails 2026 underway
With the Holiday Inn & Suites Geelong Passage Race
Posted on 24 Jan Royal Langkawi International Regatta 2026 day 4
Prevailing easterly winds up to 25 knots and better visibility than the day before
Posted on 24 Jan RORC Transatlantic Race overall winner declared
Olivier Magre and skippered by his son Antoine Magre on Palanad 4 take the trophy
Posted on 22 Jan ASV-Berlin statement concerning Walross 4
Sadly, the RORC Transatlantic Race crew member has passed away
Posted on 21 Jan Palanad 4 blasts home in RORC Transatlantic Race
Mach 50, skippered by Antoine Magre, sets a powerful reference point for the IRC fleet
Posted on 20 Jan Generation JOG x Henri-Lloyd
For the Journey and the Destination
Posted on 20 Jan Emergency incident on board Walross 4
Serious incident aboard the Nissen 56 yacht during the RORC Transatlantic Race
Posted on 19 Jan
Links
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Photos

Show photos from

Steven James Morgan's Cariad
© Mikey Brignall / DOSC Maysan and Errai approaching Muscat
© Mikey Brignall / DOSC Good spirits aboard Majed Akl's Dufour 382 Grand Large Astartia
© Mikey Brignall / DOSC 1st Place Team: Linda Giles, Donna Crocker, Cecilia Ward, and Coach Beka Schiff - Second Annual Women's Regatta Camp at St. Thomas
© STSC Coach Nikki Barnes, Hilary Klotz Steinman, Meg Kelly, Sara Rachlin and Darlene Evans get rigged - Second Annual Women's Regatta Camp at St. Thomas
© STSC 3rd Place Team: Ann Logue, Jennifer Brand, Coach Martha Parker, and Denise Warren - Second Annual Women's Regatta Camp at St. Thomas
© STSC 2nd Place Team: Sara Rachlin, Hilary Klotz Steinman, Meg Kelly, Darlene Evans and Coach Nikki Barnes - Second Annual Women's Regatta Camp at St. Thomas
© STSC Start line - Howth Brass Monkeys Spring Series day 2
© Rupert Jeffares Pretty Polly - Howth Brass Monkeys Spring Series day 2
© Rupert Jeffares Courtney Mead taking on new challenges having completed KISS
© Courtney Mead Exhileration and just being part of a crew
© Courtney Mead KISS training provided the starting skills for something bigger
© Courtney Mead Layla 22 was the third multihull in Muscat - Aramex Dubai to Muscat Offshore Race day 5
© Mikey Brignall / DOSC Nagini sits in pole position depending on how the remaining boats perform over the next 24 hours - Aramex Dubai to Muscat Offshore Race day 5
© Mikey Brignall / DOSC Brad Rademeyer's Matrix - Aramex Dubai to Muscat Offshore Race day 5
© Mikey Brignall / DOSC The 2026 Ida Lewis Distance Race starts Friday, August 14 in Narragansett Bay's East Passage
© Stephen R Cloutier The Ida Lewis Distance Race finishes off Ida Lewis Yacht Club in Newport Harbor
© Stephen R Cloutier White Sail Start - Mersea Week
© Chrissie Westgate RORC Easter Challenge
© Paul Wyeth / RORC RORC Easter Challenge
© Paul Wyeth / RORC IRC Two start - RORC Easter Challenge
© Paul Wyeth / RORC RORC Easter Challenge
© Paul Wyeth / RORC Xavier and Tania Bouin waving the French flag
© Mikey Brignall / DOSC 2024 Fastnet 500 winner, “Sunfire” - Steve Andrews from the RWYC
© Jerry Lock fotocraft Carkeek 45 Ino Noir (GBR)
© Sailing Energy Lift 45 Maxitude (FRA)
© Sailing Energy Overall winner - 2026 RORC Transatlantic Trophy - Mach 50 Palanad 4 (FRA)
© Roddy Grimes-Graeme/@Roddyacqua J/125 Jackknife at the start in Lanzarote
© James Mitchell / RORC Nagini is crewed by a full Irish crew this year
© Mikey Brignall / DOSC The Dragonfly 40C Tan 3 leads both line honours and the multihull division on Day 3
© Mikey Brignall / DOSC
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