Pinewood Derby Racing Leagues
Association of Pinewood Racers (APR) - http://apr.boards.net/
National Pinewood Derby Racing League (NPWDRL) - http://npwdrl.com/
Pro Derby Drag Racing (PDDR) - http://pddr.proboards.com/
PWDRacing (PWDR) - http://pwdracing.proboards.com/
Our focus here on Derby Talk is on the kids races, so discussions relating to participating in these leagues are better posted on the league forums.