My longest swim PR is not being recorded.
I have no PR for longest swim.
The other PRs for lap swimming are working fine.
An old issue but I can confirm that I have the same issue...
Set it manually the first time.
6764316 you can use instructions in the FAQ below to manually assign the 'Longest Swim' PR:
How Do I Manage My Personal Records in Garmin Connect?
Thanks, this has resolved the issue! I did not realise that this had to be done with the web interface of Garmin Connect rather than the smart phone (Android in my case) interface.