on the trot
(British & Australian)1. if you do several things on the trot, you do them one after the other It's been a good year for Britain's top player, who has won seven matches on the trot.
2. if you do something for a number of days, hours, years etc. on the trot, you do it for that amount of time without stopping He'd worked 48 hours on the trot and was totally exhausted.