This could have been a set distance for everyone to complete, or a more casual "walk wherever you are" type of event.
Who is organizing the virtual walk? Is it a nonprofit organization, a community group, a company, or an individual? Understanding the organizing entity will provide context for the event and its goals.
You could have set up a fundraising page to raise money for a charity, or had a competition to see who could walk the farthest.
You could have encouraged participants to share photos and videos of their walks on social media, or create a virtual walking group where people could walk together online.
There are many ways to track your distance for a virtual walk. You can use a fitness tracker, a smartphone app, or even a pedometer.
Set a realistic goal for yourself. Find a walking buddy or group to walk with. Listen to music or podcasts while you walk.
There are many ways to make your virtual walk more fun. You can dress up in a costume, listen to music, or watch a movie or TV show while you walk.