You can feel it underneath you with such horses. You can feel they are in top gear. They put their heads out. They stretch their necks. They run straight and true.
Muscles are strained.
They set their sights on the end of the straight and endeavour to get there first. Some horses turn for home at Randwick and you immediately sense they'd rather be elsewhere. No doubt they think this is just too hard. Horses that win down long straights have big tickers. They are the ones with a will to win.