Great Southern Slam
| 2010–present | |
| Tournament information | |
|---|---|
| Location | Adelaide |
| Month played | June |
| Established | 2010 |
| Format | Group stage, knockout |
| Website | greatsouthernslam |
| Current champion | |
| Victorian Roller Derby League | |
The Great Southern Slam (TGSS) is the largest competitive roller derby event in the world, contested by teams from New Zealand and Australia. It is held bienially in Adelaide in South Australia. TGSS was created and continues to be both hosted and run by volunteers from Adelaide Roller Derby. Initially held in 2010, it was the first flat track roller derby tournament to be held in the southern hemisphere.