Definition
When an event runs on, it persists longer than anticipated.
The meeting ran on for two hours, exceeding the scheduled time.
The movie ran on longer than expected due to unexpected plot twists.
Their conversation ran on far longer than I anticipated.
When time runs on, it appears to pass rapidly.
When you're busy working, time seems to run on swiftly.
The holiday ran on so quickly that it felt like time was slipping away.
As we chatted, time ran on and we both forgot to have dinner.