Iowa Speedway is 0.875 miles long, which is 7/8 of a mile (about 1.4 kilometers) for one lap around the oval track.

Quick Scoop: How long is Iowa Speedway?

  • The main oval at Iowa Speedway is 0.875 miles (7/8 mile) per lap.
  • In kilometers, that’s about 1.4 km per lap.
  • Some racing series list a slightly different timing length (around 0.894 miles), but for most fans and official materials, it’s known as a 0.875‑mile short track.

So when you hear drivers talk about Iowa as a “7/8‑mile short track,” they’re talking about this 0.875‑mile configuration that’s used for NASCAR and IndyCar events.

TL;DR: Iowa Speedway is a 0.875‑mile (about 1.4 km) oval track per lap.

Information gathered from public forums or data available on the internet and portrayed here.