The swim courses are near shore. Younger ages can stand if needed. Corners are marked by large buoys and water safety staff are positioned along the way. The average water temperature of Donner Lake in July is 69 degrees.
The bike courses take place on South Shore Drive and are paved. Each distance course has a designated turn-around location. Riders stay on the right side of the road.
The run courses are on surface streets and are out and back, turnarounds are clearly marked and staffed.