Sorry but this applies even outside of running.
Intelligence is genetic. Being able to understand stuff quicker than others will make you better in school and college. You might say that hard work can overcome a lack of intelligence. Unfortunately, nearly everyone works hard these days. In fact, intelligent people work harder because they get more rewards when they put effort in.
Financial success is also not affected by hard work. Sure, you can be frugal all day long- but your ability to be frugal and be less impulsive is a part of your personality and you were born with it. But most of financial success is determined by how much you make anyways- which is affected by how much you are worth to the world.
Dating success is also 90% talent and 10% hard work. Your attractiveness and personality are fixed. You can improve your hygiene and become more outgoing- but guess what, everyone is doing that, and it’s working much better for the people who already have a lot to offer.
Hobbyjoggers and normies really value this belief that your life is what you make it. But it’s not- your winningest traits are genetic gifts from your parents, not products of your own unbendable will.