put one off one's stride

Also, put one off one's stroke. Interfere with one's progress, distract or disturb one, as in The interruption put her off her stride for a moment, and she took several seconds to resume her train of thought, or The noise of the airplanes overhead put her off her stroke, and she missed the next ball. The first term, first recorded in 1946, alludes to the regular pace of a walker or runner; the variant, first recorded in 1914, alludes to the regular strokes of a rower. Also see throw off the track.

Words nearby put one off one's stride

put on to, put on weight, put one in mind of, put one into the picture, put one off, put one off one's stride, put one out, put one's back into it, put one's back up, put one's best foot forward, put one's cards on the table