running time
/ˈrʌnɪŋ tʌɪm/noun
1Chiefly US = running season. Now rare.
2The scheduled length of time to be taken by a vehicle in the completion of a certain route; the actual time taken in one such journey.
3The time or a period during which a machine or device is in operation; the total length of time for which a machine or device can operate before needing to be recharged, repaired, etc.
4The actual duration of a performance, film, song, etc., usually excluding any intermissions or interruptions.
- In current U.S. theatre, the running time usually refers to the whole duration, including any intermissions..
5 Computing the length of time taken by the execution of a program or task.
Origin
Mid 17th century; earliest use found in John Rowland (fl. c1658). From running + time.