I am in the same situation. I have 2 close friends from before I started cycling. However, I was a gym rat and taught aerobics, walked, etc. was very active. That seemed to be more "acceptable" to people, especially since I mostly was at the gym at 5:30 AM and it didn't interfere with other plans. One of these friends plays tennis, but is always complaining about how out of shape she is. She walks her dog like 4 times a day, so she isn't inactive. But all she does is talk about what she "used" to do... run, hike. Her excuse is her son, who is 17 and almost a senior in HS. Friend #2 is heavy and makes a lot of excuses, but she recently started walking (again). She actually understands what I do and is supportive. Our closest friends are our cycling buddies. We ride, hike, x country ski, and snow shoe with them. We met them on a ride in our club (she's a leader, also) and it turned out we had actually seen them around and said a casual hi to them for years at the gym and riding around town.We go on vacations with them, go to theatre, and out to eat. We live about 5 miles apart. They don't have kids and ours are grown, so it's a good match. There are still a lot of people my age (54) who have kids at home and seemed to be way too wrapped up in that.
I have grown somewhat intolerant of those who don't lead the same type of life style. I wish I could find more close friends who have the same interests. The one thing that's happened, which is a little upsetting is that I don't too much at my synagogue anymore. Most of the social things, speakers, events are on Sundays and I am always busy cycling or skiing...
of course that's not an excuse to not attend religious services, but I find myself just sitting and observing all of the people my age who are so out of shape and getting worse!