Here are links to all the road race calendar sites I could find.  Got suggestions?  

Send them to pete@snerro.com

AIMS

All Sports Central

Bay State Race Services

Central Mass Striders

Coolrunning, this calendar is run by Active.com and stinks.  No link

Graystone Racing

Hartford Marathon Foundation

Hitek Racing

imAthlete

Last Mile Racing

New England Runner

New York Road Runners

Platt Systems

Rhode Island Road Runners

Road Running Clubs of America (RRCA)

Run Sign Up

Runner’s World

Running in the USA

SNERRO

Spitler

Super Race Systems: Results only

USATF

USATF-CT

JB Sports

Road Race Runner

Rhode Island Racing