Registration is till open as of 03/12/10 but hurry up. This looks like a popular one.
The swim takes place in one of the most beautiful coves on the Hudson River. The Croton Point Park Beach is a naturally protected harbor with water temperatures typically in the mid 80s. Wetsuits are allowed.
The one loop bike course takes place in the Croton Reservoir Region of the Hudson Valley. The course is a mix of rolling hills and smooth flats. Some of the climbs though will require small chainring work. Toughman Course: Run
The single loop run course travels north through the Croton River Valley until reaching Croton Dam Park. There you'll climb up to the Old Croton Aqueduct which will take you to the top of the Croton Dam. You'll run on the new out/back section of Croton Dam Road which is shaded and partly packed dirt. On the return, run across the dam spillway and shed minutes off your time running down Rt 129 back to the sanctuary streets of Croton.