I found the following on the Georgia Triumph Association website. They normally hold the annual Polar Bear Run, so I think this is taking it's place this year...
Drive ! Mircros in Madison, The Farewell Tour
When: Saturday, Dec 29, 2012
Where: Madison, Georgia
Description: Join all of our motoring friends to close out the year by going on a fabulous drive to Madison Georgia. The day will wind up at the Micro Car Museum that is loved by all. We will say goodbye to 2012 and to the museum which is closing for good. Dont miss this final opportunity to see some of those other "Little Cars".
Date: 12/29/2012
Time: 9:00 AM AM meeting, 10:00AM departure
Starting location: 1525 E. Park Place Boulevard, Stone Mountain 30087 (At Hardee's & The Outback Steakhouse).
Drive to Madison for lunch and shopping. At 1:30- 2:00 PM we'll leave for the Microcar Museum for seeing the small cars before they get sold off in February.