There are a lot of ways to look at this ranging from the more dismissive options that other users have proposed to more philosophical, sociological, and psychological ones. I’m going to focus on the latter.

Carl Jung had a theory of synchronicity where repeat coincidences with no obvious connection to each other seemed to be a common experience in human lives. Nobody really knows why this is the case—maybe it’s some sort of data saving aspect of the universe, predestined fate, or just a pattern recognition quirk in our brains. Regardless, he collected a lot of data over his career of many people, including himself, experiencing the effect in various ways.

A potential sociological explanation would be found in the personalities of people who choose to wear track suits and gold—that outfit is typically associated with “alpha” personality types, athletes, and hooligans. I would imagine that someone in those personality categories would have the necessary qualities to make the somewhat brazen choice to interact with a stranger and take control of a situation, and in the case of the athlete, potentially be more likely to recognize a health problem. 10 people around you might have noticed something was off with you, but the person with the more dominant personality in the room might be more likely to take action first.

There is also the woo woo explanation that some kind of destiny awaits you and those people were there at that time to save you specifically. If you were a time traveler aiming for a time between 1960 and 2060, a track suit would be a comfortable choice of clothing that wasn’t trying to fit into any particular fad, and it would be hard to track that person down later because a lot of people wear that.

The interpretation is up to you to decide, but it sure is an interesting thing to think about. Unlike some other users, I don’t immediately think you’re crazy, I just think you just noticed a very unusual set of circumstances that have multiple possible explanations.