A

• Abe's Mini Triathlon

B

• Batavia Triathlon
• Border Wars Triathlon

C

• Chicago Triathlon
• Crush Winthrop Harbor: The North Point Triathlon
• Cutting Edge Half Classic

D

• Doc Spackman Triathlon

E

• Esprit De She Tri Naperville

F

• Fleet Feet Sports Supersprint Triathlon

G

• Galena Triathlon
• Gateway Triathlon
• Glenview Park District Sprint Triathlon
• Great Illini Challenge

H

• Holidayman Mega Sprint Distance Triathlon

I

• I Tried A Triathlon
• Illinois Triathlon Championship
• Iron Abe Triathlon
• Itu World Triathlon Chicago

L

• Lake In The Hills Triathlon
• Lake Zurich Area Triathlon
• Lakeside Triathlon
• Last Try Triathlon
• Lytle Park Triathlon

M

• May Madness Sprint Triathlon
• Mid August Meltdown

N

• Naperville Sprint Triathlon

O

• Oak Run Triathlon
• Oswego Triathlon

P

• Pioneer Sprint Triathlon

R

• Railsplitter Triathlon
• Rcrc White Squirrel Triathlon
• Rockford Triathlon
• Route 66 Half Iron Distance Triathlon

S

• Splash, Pedal, Dash Triathlon
• Stoneman Sprint Triathlon
• Stovepipe Sprint Triathlon
• Sullivan Civic Center Triathlon

T

• Tin Man Triathlon
• Tower Triathlon
• Tremont Triathlon
• Tri-Shark Triathlon
• Twin Lakes Triathlon

W

• Wauconda Triathlon
• Wood River Triathlon
• Woodridge Rotary Mini Triathlon