From a press release issued by WERA:

Here is the schedule for the 2005 Dunlop/WERA National Endurance Series and WERA National Challenge Series. We’ll assign race lengths for the Dunlop/WERA Endurance rounds at a later date.

3/25-27 Jennings GP, Jennings, FL

5/6-8 Autobahn Country Club, Joliet, IL

5/19-22 2005 Cycle Jam, VIR, Alton, VA

6/3-5 Willow Springs Raceway, Rosamond, CA

6/24-26 Las Vegas Classic Course, Las Vegas, NV

7/15-17 Grattan Raceway, Grattan, MI

8/5-7 Summit Point Raceway, Summit Point, WV

8/19-21 Talladega Gran Prix Raceway, Talladega, AL

9/9-11 Nelson Ledges Road Course, Garrettsville, OH

9/23-25 Barber Motorsports Park, Leeds, AL

10/12-16 Grand National Finals & Suzuki Cup Finals, Road Atlanta, Braselton, GA