Sam,
You might want to look also at Chin Mororsports
Chin MotorSports - More Tracks, More Track Time!
Their schedule is not as extensive as NASA. Track events are mostly in the southeast with Mid Ohio and Watkins Glen thrown in. Here is their event schedule.
Bill
<table cellpadding="4" cellspacing="4"><tbody><tr></tr><tr><td>
</td><td valign="top" width="70">
DATE</td><td valign="top" width="180">
TRACK/VENUE</td><td valign="top" width="550">
EVENT NOTES</td></tr> <tr> <td valign="top">
</td> <td valign="top">Jan 22-23</td> <td valign="top">Sebring Raceway</td> <td valign="top">First event of the year, online registration begins Mon. 11/29, 10PM</td></tr> <tr> <td valign="top">
</td> <td valign="top">Feb 26-27</td> <td valign="top">Homestead/Miami</td> <td valign="top">First 2011 winter visit to HMS. No snow, guaranteed! OPENING: Mon, Jan 3, 10PM</td></tr> <tr> <td valign="top">

</td> <td valign="top">Mar 19</td> <td valign="top">Homestead/Miami</td> <td valign="top">2nd winter visit to HMS, 3rd Sat. of March, 1-day only. OPENING: Tues, 1/25, 10PM</td></tr> <tr> <td valign="top">

</td> <td valign="top">Mar 26-27</td> <td valign="top">Sebring Raceway</td> <td valign="top">First Sebring track event after the 12-Hour. Registration begins: Mon, Jan 31, 10PM</td></tr> <tr> <td valign="top">

</td> <td valign="top">Apr 9</td> <td valign="top">Sebring Raceway</td> <td valign="top">Saturday only, on the 12-Hour course. Registration begins: Mon., Feb. 7th, 10PM</td></tr> <tr> <td valign="top">

</td> <td valign="top">Apr 16-17</td> <td valign="top">Road Atlanta</td> <td valign="top">JUST RELEASED! Registration available NOW! A great springtime weekend.</td></tr> <tr> <td valign="top">

</td> <td valign="top">Apr 30-1</td> <td valign="top">Sebring Raceway</td> <td valign="top">Chin Motorsports' 4th visit to Sebring in 4 months! Opening: Tues, Feb 15th, 10PM</td></tr> <tr> <td valign="top">

</td> <td valign="top">May 9-10</td> <td valign="top">Watkins Glen Int'l</td> <td valign="top">The spring visit to one of the most historic tracks... Opening: Mon., Feb 21st, 10PM</td></tr> <tr> <td valign="top">

</td> <td valign="top">May 14-15</td> <td valign="top">Autobahn Country Club</td> <td valign="top">Back to Chicagoland, SOUTH course, and FULL. Opening: Tues., March 1st, 10PM</td></tr> <tr> <td valign="top">
</td> <td valign="top">May 28</td> <td valign="top">Atlanta Motorsports Park</td> <td valign="top">
CANCELLED</td></tr> <tr> <td valign="top">

</td> <td valign="top">May 30-31</td> <td valign="top">Mid-Ohio</td> <td valign="top">The Memorial day event, at another legendary track. Opening: Mon., March 14, 10PM</td></tr> <tr> <td valign="top">
</td> <td valign="top">Jun 6</td> <td valign="top">Road Atlanta</td> <td valign="top">Our first 2011 visit to RA is a 1-day event on the first Monday of June</td></tr> <tr> <td valign="top">
</td> <td valign="top">Jun 11-12</td> <td valign="top">Sebring Raceway</td> <td valign="top">Saturday or Sunday, TracQuest event, on the Full Course, of course...</td></tr> <tr> <td valign="top">
</td> <td valign="top">Jul 1</td> <td valign="top">Road Atlanta</td> <td valign="top">Friday before July 4th weekend, begin your holiday with a track day!</td></tr> <tr> <td valign="top">
</td> <td valign="top">Jul 4-5</td> <td valign="top">VIRginia Int'l Raceway</td> <td valign="top">Summer holiday at VIR... Monday/Tuesday, TracQuest format</td></tr> <tr> <td valign="top">
</td> <td valign="top">Jul 16</td> <td valign="top">Homestead/Miami</td> <td valign="top">The summer visit to Homestead/Miami. 1-day, Saturday only</td></tr> <tr> <td valign="top">
</td> <td valign="top">Jul 30-31</td> <td valign="top">Road Atlanta</td> <td valign="top">Hot laps in Hotlanta... this track ROCKS!</td></tr> <tr> <td valign="top">
</td> <td valign="top">Aug 20</td> <td valign="top">Sebring Raceway</td> <td valign="top">After 2 months away, the summer visit to Sebring. 1-day, Saturday only</td></tr> <tr> <td valign="top">
</td> <td valign="top">Sep 5-6</td> <td valign="top">Watkins Glen Int'l</td> <td valign="top">Labor Day at The Glen. This is a SU-WEET track date! </td></tr> <tr> <td valign="top">
</td> <td valign="top">Sep 12</td> <td valign="top">Road Atlanta</td> <td valign="top">Another Monday at RA, a great reason to rearrange your work schedule.</td></tr> <tr> <td valign="top">
</td> <td valign="top">Sep 24-25</td> <td valign="top">Barber MS Park</td> <td valign="top">An epic fall event. 2 days at Barber. </td></tr> <tr> <td valign="top">
</td> <td valign="top">Oct 8-9</td> <td valign="top">Sebring Raceway</td> <td valign="top">The first big fall event in Florida, at Florida's favorite track</td></tr> <tr> <td valign="top">
</td> <td valign="top">Oct 22-23</td> <td valign="top">Atlanta Motorsports Park</td> <td valign="top">2-day Fall event at the new track north of Atlanta</td></tr> <tr> <td valign="top">
</td> <td valign="top">Oct 30-31</td> <td valign="top">VIRginia Int'l Raceway</td> <td valign="top">This popular annual event follows the 13-Hour race at VIR</td></tr> <tr> <td valign="top">
</td> <td valign="top">Nov 26-27</td> <td valign="top">Road Atlanta</td> <td valign="top">The weekend after Thanksgiving. One of the most popular events of the Fall. </td></tr> <tr> <td valign="top">
</td> <td valign="top">Dec 3-4</td> <td valign="top">VIRginia Int'l Raceway</td> <td valign="top">Last DE track event of the year at VIR.
</td></tr></tbody></table>