Copyright 2004, Roadracing World Publishing, Inc.

The AMA National at Road America continued a season-long trend, with fewer riders entering the event this year compared to the same event in 2003, despite better weather in 2004.

Entries in the Superbike and Supersport classes were each up by 8 riders, 2003 versus 2004. But Formula Xtreme was down by 6 riders and Superstock was down by 19 riders.

The 250cc Grand Prix class, eliminated at the end of last season, drew 26 riders in 2003.

Entries by class, 2003 versus 2004

AMA Superbike
2003, 40
2004, 48

AMA Supersport
2003, 35
2004, 43

AMA Formula Xtreme
2003, 28
2004, 22

AMA Superstock
2003, 48
2004, 29

AMA 250 Grand Prix
2003, 26
2004, 0

Total 2003, 177
Total 2004, 142

Numerical Difference, 35

Percentage Difference, 19.77%