We were child-free and lonely, so we started a walking group for other women — and 80 people showed up

• Women hit a certain age, and suddenly, it seems like all their friends are starting families.
• Women Who Walk offers an outlet for women who want to talk about other things.
• The group has grown rapidly, providing a supportive space for women of all ages.

Lisa Collins and Sophie Curthoys love their female friendship groups.

They've known some of their best friends since school. But, like many child-free women, they'd prefer if the conversation at gatherings wasn't always focused on babies and weddings.

"Life comes at you fast," Collins told Business Insider. "You go from 28, and all your friends are around, and you're going out, and everyone's kind of free to just hang out on a Tuesday."