Sentence:  Toying with her field in the early stages , Garden Fresh was asked for top speed only in the stretch by Jockey Philip Grimm and won by a <WSD>length</WSD> and a half in 1.24 3 - 5 for the 7 furlongs . 
Meaning of the word marked with <WSD> tags:  the property of being the extent of something from beginning to end