(643.737 km)</td>
</tr>
<tr>
<th scope="row" style="text-align:left;">Laps</th>
<td>200</td>
</tr>
<tr>
<th scope="row" style="text-align:left;">Previous names</th>
<td><b>California 500 Presented by NAPA</b> (1997–1999)<br />
<b>NAPA Auto Parts 500</b> (2000–2002)<br />
<b>Auto Club 500</b> (2003–2010)</td>
</tr>
</table>
<p>The <b>Auto Club 400</b> is a 400 miles (643.737&#160;km) long <a href="//en.wikipedia.org/wiki/NASCAR_Sprint_Cup_Series" title="NASCAR Sprint Cup Series" class="mw-redirect">NAS