Great site to find all the races in Illinois:

• running/triathlon/cycling in 2010 from Beginner Triathlete

Running/Triathlon stores in Chicago/Northwest Suburbs:

• Fleet Feet Sports
• Running Away Multisport
• Element Multisport
• Mox Multisport
• Running Unlimited
• Dick Pond Athletics
• Runners High and Tri

Triathlon Clubs in Chicago Area

• Buehler YMCA Ytri Club
• Chicago Tri Club