On their right , they will be cheered on a throng of spectators overlooking the water at the Monona Terrace .
Athletes start their day with a one - loop , 2.4 - mile swim in Lake Monona .
On Athletes ' right , Athletes will be cheered on a throng of spectators overlooking the water at the Monona Terrace .
Athletes start their day with a one - loop , 2.4 - mile swim in Lake Monona .