Check out Big Shark's Open Water Swim Series
http://bigshark.com/articles/2011-big-shark-new-town-open-water-swim-series-pg749.htm
Where it is: The lake is located at New Town in St. Charles. It will be the exact swim course used in the July 10th Big Shark New Town Triathlon. It is a .62 mile swim...you can swim it as many times as you choose. There will be buoys in the water for sighting.
And wait there's more: A wetsuit demo will take place at every session. Demo and fitting included in the price of admission!
Cost: Per each session is $10.00 This fee will cover insurance, life guards, clinic, and set-up. Big Shark Triathlon Team and St. Louis Tri Club will receive a discount because you're all very special.
Come join your fellow ZILAs....there is nothing like swallowing pond water for your Saturday brunch.