Apple Watch 3 accumulating swim yards

[llhaskin]

I started using my watch to track swim laps about 4 months ago. It no longer begins at 0 yds when beginning laps. It appears to be accumulating prior swims.
It tracks the number of laps correctly and the distance is correctly recorded on my iPhone but it does not start with 0 yards. Has anyone else had this issue?

 

[Newtons Apple]

Did you "END" the exercise when done with last swim?

 

[llhaskin]

Yes I did. The “New” option, next to “End” is grayed so I can’t clear it that way either. It’s not a total accumulation but never the less, I am unable to clear it.