How do you say The girls are running in Spanish?

To say "The girls are running" in Spanish, you would say "Las chicas están corriendo." In this sentence, "Las" is the plural feminine definite article meaning "the," "chicas" means "girls," "están" is the third person plural form of the verb "estar" meaning "to be" in the present progressive tense, and "corriendo" is the gerund form of the verb "correr" meaning "to run."