Time on Time Scoring - the basics

The Basics to Acceptance on Lake Ontario, an article explaining how it works

Time­ on­ Time scoring is not new. It has been widely used nationally and internationally as a valid method to score handicap yacht racing. The most well­ known recent use of Time­ on­ Time was the PORTSMOUTH Handicap numbers, a predecessor to our own PHRF system, which for many years provided an easily implemented handicap system for local racing.