The 10 largest NASCAR tracks -- by seating capacity

With on-track activities and the unofficial start of the Sprint Cup season set to kick off later this week at Daytona International Speedway, there seems like no better time to take a closer look at some of the tracks on the 2015 schedule.

Built on Esri technology, this "Off to the Races" map tours the 10 largest Sprint Cup tracks (based on seating capacity) and details key information about each venue such as track length, surface type, the number of turns and the year the track opened.

Click through the 10 circles to explore detailed high-resolution imagery for each speedway, and watch iconic highlights related to each track.