Registration for the 10th Annual Alligator's Creek Triathlon is open. The Triathlon consists of a 300-yard serpentine swim at Alligator's Creek Aquatic Center, an 18.6-mile bike course and a 5K run through O'Fallon. The last day to register is August 3.

• Maps (PDF): Run Course | Bike Course | Site Map
• Rules of Conduct (PDF)
• Online registration: Individual
  A PIN/Barcode required for online registration. To request a PIN/Barcode, clickhere
• Printable registration form (PDF)
• Performance shirt sizing chart - Women (PDF) | Men (PDF)
• 2011 Results (link)
• FAQs
• Confirmed registrants (PDF, beginning March 1)

The event includes an awards ceremony and raffle. Please note, the bike course crosses railroad tracks several times, so time and place could be affected. Registration is limited to 300 competitors or August 3, whichever comes first.