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For 2026, typically, competitors will be in two classes, faster and slower, according to handicap. We have found both IRC and YTC systems remain popular. Class 1 includes both IRC and YTC entries for dual results and class 2 YTC only. We generally find the class 1 boats measure for IRC & YTC and slower prefer to sail under YTC. The Race Officer will stretch the larger yachts over a longer course, so both classes finish at similar times.
Results Calculated using Yacht Time Correction (YTC) Handicaps
In 2025 the RYA replaced the NHC with the YTC fixed handicap system in response to popular demand.
Obtaining a YTC is straightforward and free. The YTC handicap requires overall and waterline lengths, beam, draft and weight plus sail areas and a few other bits of information and in a few days, you will receive your certificate. Click here to Obtain a YTC Handicap. Most of this information for production cruisers is available online Sail Boat Data. One-off designs may need some measuring. We can help with measurement if necessary. YTC handicaps can be issued for either with or without spinnaker.
Results Calculated using International Rating Certificates (IRC) Handicaps
The blue-chip handicap system is the International Rating Certificate, IRC, system where cruisers submit a lot of measurements, and profiles to the Royal Ocean Racing Club RORC plus a fee. They are issued with an IRC rating calculated by a closely guarded secret formula. Prizes will also be awarded on IRC handicaps where sufficient cruisers with IRC certificates enter our events. Apply here: RORC Rating Office – Royal Ocean Racing Club | Rating Office