On August 25th, 2018, El Dorado Lake will again host the area's only all women's triathlon. This all women's triathlon event will be a Sprint Distance triathlon starting in the Walnut River Beach area. The 400 meter swim will follow a triangular course in the protected waters of Walnut River beach. The 9.5 mile bike course will follow a circular route throughout the lake and outskirts of El Dorado. The 3 mile run course will be throughout the lake property and along a paved bike trail. Aid stations will be found at every mile along the run course.