2006 AMA National Speedway Championship

The 2006 AMA National Speedway Championship Series was staged over three rounds, which were held at Costa Mesa (August 5), Auburn (September 1) and Auburn (October 7). Greg Hancock won the title to equal Mike Bast's all-time record. It was also Hancock's fourth successive AMA title.

2006 AMA National Speedway Championship

The 2006 AMA National Speedway Championship Series was staged over three rounds, which were held at Costa Mesa (August 5), Auburn (September 1) and Auburn (October 7). Greg Hancock won the title to equal Mike Bast's all-time record. It was also Hancock's fourth successive AMA title.