If you enjoy a challenge and like to swim, bike and run, sign up for O’Fallon, Missouri’s 11th Annual Alligator’s Creek Triathlon, which will be held from 7 a.m. – 1 p.m. on Sunday, August 11. The race begins at Alligator’s Creek Aquatic Center, 403 Civic Park Drive, O’Fallon 63366, with a 300-yard serpentine swim, followed by an 18.6-mile bike ride and a 5K run through City streets. Awards will be given to the top three overall winners and in age-group divisions.

The cost to register through Thursday, July 18, is $49 for individuals and $88 for teams. The field is limited to 300 participants. A $10 late fee will be added to the registration fee from July 19 through August 1, the deadline to register for the event. T-shirts are not guaranteed to late registrants.

For Triathlon FAQs, course maps, information and registration, visit www.ofallon.mo.us/parks&rec/triathlon. Or, call 636-474-2732.