glacial pace 

'At a glacial pace' means 'very slowly'.

Unfortunately, studies of moral judgment move at a glacial pace relative to the speed of neural processing.

glacial pace by Thaumazo83 September 22, 2013

glacial pace 

Extremely slow. Used when somebody takes too much time than expected to perform a task and because of that other people start to desperate and in some cases, getting angry by the one performing the task.

He has a glacial pace doing his job.

glacial pace by antonillolpz January 25, 2017