In the long run means ‘eventually’ or after a long period of time.
I’m not spending any money at all at the moment. Life is pretty boring but, in the long run, it’ll be worth it. I’ll be able to afford my dream holiday.
I’ve just quit smoking and I feel terrible, but I’m sure, in the long run, I’ll be much healthier
Jane hates studying but I keep telling her, in the long run, the effort will lead to a much better job.
Don't confuse it with
If you are 'on the run' it means that you are avoiding being caught, especially by the police.
After robbing the bank, the gang were on the run for a week before the police arrested them.
Police have issued a warning to avoid a dangerous criminal who’s been on the run since escaping from a high-security prison.
The South African runner Oscar Pistorius has apologised for the timing of his comments following his loss in the Paralympic T44 200m final. He criticised the International Paralympic Committee, saying Brazilian gold medallist Alan Oliveira's artificial legs were too long.