It occurred to me whilst walking along a popular nature trail, sometimes I passed some people, sometimes people passed me. Life is like that. With cars, for example. Sometimes you'll be ahead of others, sometimes other people will be ahead, even seemingly ZOOM past you. A lot has to do with what kind of vehicle you have, as well as how well you've maintained it, or even if you have a vehicle at all or have to deal with driving someone else's.
A racecar won't function well in the same conditions that a jeep would, and vice versa. And neither would get very far if you didn't give them fuel or proper maintenance. A lot has to do with road conditions, timing and obstacles, too. Not everyone will experience the same ones nor the same intensity, frequency or duration. And of course, not everyone chooses the same path or destination. Yet we all have the same FINAL destination. So it really is all about the journey itself, which makes us each simultaneously utterly unique and recognizably similar in our life paths.