The average time to complete a triathlon can vary significantly depending on the distance and the participant's skill level. In a standard Olympic distance triathlon, which includes a 1.5 km swim, 40 km bike ride, and a 10 km run, times typically range from approximately 2 to 3 hours for experienced athletes. Beginners may take longer, especially if they are new to any of the three disciplines. The overall time can be influenced by environmental factors, training, and individual fitness levels.