"without pausing for" is correct and usable in written English.
You can use it to suggest that something happened without taking a pause in between. For example: "He ran away without pausing for breath."
He continued, without pausing, for three hours.
"Life," he said, without pausing for breath.
[Without pausing for breath] I really want to make finals.
She couldn't speak more than a sentence without pausing for breath.
Next to me, a couple made out steadily, resolutely, without pausing for breath.
In competition, they write down 140, or 650, or 1,510 without pausing for thought.
"It Felt Like a Kiss, the hotly-awaited collaboration between site-specific adventurers Punchdrunk, experimental documentary-maker Adam Curtis and Britpop renaissance man Damon Albarn, is a remarkable requiem for postwar Western affluence and idealism," he says, without once pausing for breath.
There aren't many actresses who can move between drama and comedy without seemingly pausing for breath but Alison Brie, who plays both Pete Campbell's likeable wife Trudy on Mad Men and perfectionist Annie Edison on quirky sitcom Community, makes it look easy.
Without even pausing for breath, she continues with her instructions: "Then you can draw his feet, but be careful that they are not stuck together!
Walking through the dust of the wind-blown ruins one day, I was greeted enthusiastically like the Pied Piper by well-dressed, well-fed, happy kids attached to a woman in her 40s in a long yellow gown, who spoke effusively about resistance to the siege without once pausing for breath.
The book's protagonist, a young writer named Anatoly Nevinsky, moves in and out of his own imaginary world without so much as pausing for a comma.
