Dam Triathlon
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Dam Triathlon at Lake Murray Public Park
The event is held at Lake Murray Public Park in Lexington, South Carolina, and includes multiple race formats conducted around the Lake Murray Dam. The main Sprinternational triathlon includes a lake swim, a bike course that uses segments of the dam, and a run entirely on the dam in an out-and-back format.
The swim takes place in the lake as a single large triangular loop starting alongside the spillway. Water temperature is reported to be around 73 degrees, so athletes may be comfortable with or without wetsuits. The bike course is two loops described as mostly flat to rolling; athletes cross the dam four times and return to a nearby transition area. The run follows the dam surface for the full distance.
Race formats and distances:
- Sprinternational Triathlon: Swim 1000 meters, Bike 21 miles, Run 6 kilometers
- Aquabike: Swim 1000 meters, Bike 21 miles
- Aquathlon: Swim 1000 meters, Run 6 kilometers
Registration opens 11/1/2025. Registration deadlines and fees vary by event: the Sprinternational Triathlon has a closing date of 12/31/2025 and a fee of $99.00; the Sprinternational Relay closes 3/31/2026 with a fee of $175.00; Aquabike and Aquathlon close 5/31/2026 with fees of $75.00 and $65.00 respectively. The event is part of the South Carolina Triathlon Series. Visit the organization's website for the most recent information.
