Why don’t they record  

Timeliness- Fairness-Integrity You said it.👍 As always...thx

I don’t know how the swimmer is triggering the end time, but in running it is of course more precise than that and finally, after using the picture rounded following very defined rules to get back to 2 decimals.

Damn, that made the Olympics intriguing for me for the first time in a long time.

Wouldn't it be 2.14 mm in one second?