system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How is it possible that athletic results keep getting better and better; will they ever plateau?

It seems like every Olympics, World Championship, etc, at least one record is broken, usually more. It's to the point now where gold-medal-winning 100m sprinters of a few decades ago would barely even rank in the top 10 today.

I know some of this is down to better training and nutrition, better equipment (more so in some sports than others), but surely there must be some limit that results from the human body? Will we ever hit a point where we have seen basically the fastest a person can run, the most weight they can lift, the furthest they can throw a javelin, etc? Where the records then just stand indefinitely?

**EDIT:** Thanks everyone, for the insightful responses (and areas to look at further)! Much appreciated and does help it make more sense to me.
gpt
Theoretically, the human body has finite limits that it cannot exceed. Bones can take only so much force without breaking, the human circulatory system has limits due to size, etc... However, there can always be outliers that are genetically better suited than the average human for certain sports. So in other words, we could plateau, but someone better could always be born to break the record.