| Subject | English | Spanish |
| met., el. | a specified period comprising a time during which an arc runs continuously plus an off time | duración del ciclo convencional de soldeo |
| transp. | authority to run ahead of scheduled timing | circulación con adelanto |
| meteorol. | model run time | hora de ejecución del modelo |
| IT | run time | tiempo de ejecución |
| comp., MS, mexic. | run time | tiempo de ejecución (The time it takes for a physical manufacturing operation, excluding setup time, queue time, and move time) |
| mech.eng. | run-down time | tiempo de parada del motor |
| transp. | run-down time | tiempo de parada |
| comp., MS | run-time error | error en tiempo de ejecución (A software error that occurs while a program is being executed, as detected by a compiler or other supervisory program) |
| comp., MS | run-time library | biblioteca en tiempo de ejecución (A file that contains one or more prewritten routines to perform specific, commonly used functions. Programmers use an RTL primarily in high-level languages such as C to avoid rewriting these routines) |
| transp., tech. | run-up time | tiempo de estabilización |
| commun. | run-up time | tiempo de puesta en funcionamiento |
| law | the service of a judicial document causes time to begin to run | la notificación de un acto judicial hace correr los plazos |
| chem. | total run time | tiempo total de elución |