Wiktionary
at a canter
prep.phr. (context idiomatic English) Without much effort; easily.
Usage examples of "at a canter".
She had been taught to ride, well enough not to fall off her horse at a canter, and was wearing her weapons and armour to get used to their weight.
Instead he swung his mount northwest and rode at a canter until he ran into the first of the fleeing Tithansi, from whom he gleaned the story.
He could hear them already, baying excitedly, coming on swiftly, leading the hunters at a canter.
Erik motioned for his men to advance at a canter, and they beganleaving the infantry behind.
His horses pulling the ground along at a canter, Kickaha watched for signs of enemies.