Simple past tense and past participle of track.(verb)
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Use "tracked" in a sentence
"But I must not get too side-tracked from the real reason I was moved to post a response; the issue of the recently over-publicized "Ardi" and its implications for human evolution."
"Mobile phone communications have been tracked from the border area to points in Britain, particularly England's Midlands, where there is a heavy Pakistani immigrant population, according to a British government official who spoke on condition of anonymity because the terror plot investigation is ongoing."
"My parents managed to get me skipped out of seventh grade, which meant I was then in tracked classes and among slightly olderkids."