You need to be side quest maxxing. Get your pilots license. Get scuba certified. Go sky diving. Get your coastal cruising certificate. Become a sommelier. Get every niche / pointless certificate & license you can.
I think running clubs flopped because real runners know running is a solitary me-versus-me activity. Itโs active meditation, moving monologue, not for socializing. Itโs to be alone with your ideas and sharpen them in the creativity lab inside your head