For the the 53rd edition of the Transpac Yacht Race, a rating system for the 2225 nm course from Los Angeles to Honolulu will be based on weather predictions following an analysis of previous race data.

The 2025 race will employ Time-on-Time Forecast Time Correction Factor (F-TCF) ratings calculated from the polar performance data from each boat’s ORR certificate and weather predictions available on the morning of each start. Weather-adjusted ratings computed for each start day will seek to maximize the chances for all boats to compete fairly for overall honors.

Full Article Here…