Wiktionary
snail pace
n. (alternative form of snail's pace English)
Usage examples of "snail pace".
By means he'd been unable to discover, he explained (certainly not his own intelligence department, always last to know anything, or the Royal Ethiopian Post, which moved at sea-snail pace), reports of my arrival had preceded me to Joppa, caused general alarm in the palace, and brought on, he could only assume, his fearful trance.
Once upon the stone he slowed to snail pace, straining his sight to avoid the pockets and holes.
The snail pace, like the sand at the wheels, began to drag at Madeline's faith.
He discarded most of his bag of tricks and slowed down to snail pace.