Agreed. What really matters is how you do relative to others in you AG. At this point I’d be happy with under 28-29min (50+yo female) for a mile! Under 32min for 1.2.
It is relative. But with an honest mile, open water race conditions 28-29 is a great time. The top club (nationals) swimmers/open water masters champs do the mile in around 24min. We race every year in the ocean on Vancouver Island.