From Longman Dictionary of Contemporary Englishrunning totalrunning totalHMNTOTALa total that keeps being increased as new costs, amounts etc are added Keep a running total of your expenses as you go along. → running
Examples from the Corpus
running total• The cost will simply be kept for each project as a running total entered by hand in a cost ledger.• And you told me you've kept a running total in your head all the year.• Keep a running total of your expenses. 