Strava’s fitness tracker isn’t just good at revealing secret government bases, it’s also quite good at outlining your favorite racetracks.

This idea comes to us from Twitterer StingrayJake, who noticed that not only is the Circuit of the Americas on the heat map, but someone is out there jogging the shuttered Texas World Speedway.

I wasted no time zero’ing in on Laguna Seca in Monterey:

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and then nearby Sears Point:

I also could not restrain myself from looking up various mountain passes across the Dolomites, but that’s neither here nor there. In any case, I’m going to go waste a couple hours poking around here for good views of places I wish I could race.