Not my experience. At sports activities where I live, people come to do sports, not really to socialize. Once the sport activity is over, most go home to their kids/wives/girlfriends/etc. At least in Germany where the focus is always on the activity at hand, and socializing with strangers is a distraction from the activity you came for.
I practice 3 different sports right now (bouldering, CrossFit and dancing), hoping to maybe make some friends or find a partner out of it in this WFH world and it's all the same, once the activity is over, people want to go home, not stay and have a beer or chat. :(
Maybe I was lucky in the past but the best friends I've ever made and sometimes partners were found on the same workplace or campus, but I sure as hell feel very unlucky and miserable now, however, I really don't wish for people who don't like being in the office to be forced to come to work, that's really stupid, but this hybrid model is the norm where I live and is the worst of both worlds. Some offices are really nightmare material.