well-run
/ˌwɛlˈrʌn/adjective
1Of a race, etc.: skilfully or successfully raced or contested. Frequently (and earliest) in figurative contexts.
2Managed or operated in an efficient way; well-organized.
Origin
Early 17th century; earliest use found in William Cornwallis (c1579–1614), essayist. From well + run.