Not old enough to compete in the Series races, try one of these:

SuperKids Tri
South Kingstown, RI
Ages 4-17
June 7, 2009
www.risuperkids.com

Eastman Splash, Mash & Dash Kids Race
Grantham, NH
June 20, 2009
http://www.eastmannh.org/tri/

Lincoln Kids Tri
Lincoln, MA
http://kidstri.net

Little Buggers Kids Triathlon
Waterville Valley, NH
Ages 7-12
July 11, 2009
http://www.timbermantri.com/blackfly/blackfly-bugger.html

MusselKids Triathlon
Geneva, NY
July 19, 2009
http://www.musselmantri.com  

Timber Kids Adventure Run
Gilford, NH
August 22, 2009
http://www.timbermantri.com/timberkids.html

Hale Triathlon
Westwood, MA
Ages 6-15
September 13, 2009
http://www.halereservation.org/

Essex Kids Triathlon
Essex, MA
October 11, 2009
http://www.hilltoptraining.com/