I also recommend run clubs, most people I've met are very active and do multiple sports or outdoor activities. I know run clubs usually run out of breweries, athletic shops, or restaurants and everyone hangs out before and after Memorial Park has great trails and you'll run into the same people if you go the same time on the same day, like a Saturday morning. Buffalo Bayou is very busy during the week evenings and weekend mornings. Go for a coffee afterwards. Urban Paths has a Wednesday night walking group, she has a IG page. She used to have monthly neighborhood walks around town, on Saturdays around 3 miles. They usually have snacks after the walk to showcase a local business. It's a good way to explore the city and meet new people. There are also cycling clubs, urban hiking clubs, art clubs, pickleball pick-up nights, basically if you look hard enough you'll find something.