Over the years, I've met a number of people with a bold goal: walking or running every street in San Francisco . It's a significant undertaking, covering over 1,000 miles—and closer to 1,500 or 1,700 miles if you include hiking trails. One person who accomplished this feat, Travis Monson , also took unique photos of the city along the way. He used a paper map, coloring in the streets he completed with a red pen. I just finished writing my third book , so I’m not committing to such a huge goal right now. Still, I enjoy casually tracking which streets I've visited and which are new to me. While there's something beautiful about the analog method, I knew a tech-based solution would work best for me. If you're looking for an easy way to track how much of the city you've seen, I recommend CityStrides . To get started, you'll need a Strava or Runkeeper account (CityStrides supports a few other types as well, but I use Strava). Simply record your walks and runs o...