And the United States Golf Association has come up with a Pace Rating System, which evaluates courses for playability and determines how long a round should take.
Courses also might consider adopting the USGA's Pace Rating System.
Plexipave IW is manufactured to a medium-slow International Tennis Federation (ITF) surface pace rating
, that lets players compete with a variety of playing styles because of a greater definition in the speed of play and a consistent ball bounce.
If we consider the halfway point as a benchmark for early pace, then we note (using video recordings) the positions of all the other runners relative to the winner, we can establish a pace rating for every horse.
Firstly, the winner is awarded a pace rating equal to his final Topspeed rating, then the other runners are rated relative to his position (allowing 4lb per length per mile), as if the halfway point was actually the finish.
The figures represent the horse's best pace rating from its most recent runs and are set out according to the draw.
This strong finisher has won all three times he's encountered a seriously fast early gallop, according to Equiform pace ratings
, and would have a real shot if there's a battle for the lead here.
Selhurstpark Flyer, winner of the race for the last two years, heads the Topspeed pace ratings
and is drawn 17.