Wiktionary
vb. (en-past of: lose track)
Usage examples of "lost track".
I counted sixty freight cars on it before I lost track, all of them with names on them like Burlington Northern, Rock Island, Santa Fe.
There were so many pockets, and people were moving about so much, even the kender lost track of who owned what when they attempted to replace the many items they'd inspected.
He could have lost track of time, gone to pick up his running leg from the menders or dropped in to see his mum.
In her pain and distress she had lost track of how much time had passed since Val had left her here alone.
I was enjoying it so much I lost track of time and was almost late for work.
Huxley became fascinated by the minuscule drama, lost track of time, and of the sequence of events.
Humphrey terminated the project and threw me off the place, uh, around two or three weeks ago now I think it was, I've kind of lost track.
He was the United States Air Force champ for situational awareness, but he'd just lost track of a combat action.
Another boat, probably two Scarab fast-fishers that we've lost track of, pick the stuff up.
I lost track of Lucie when they moved to New York, must have been all of twenty years ago.
There were so many of those things trying to wrap their tentacles around me, I lost track of where I was.