Overview

• Canadian triathlete Tyler Mislawchuk vomited multiple times during the race, attributing it to high temperatures and polluted water.
• Concerns over E. coli levels in the Seine led to delays and health warnings before the event.
• Athletes described the water as 'disgusting' and noted the presence of debris during the swim.
• Organizers had invested $1.5 billion in infrastructure to clean the Seine for the Olympics.
• Similar water quality issues have plagued past Olympic triathlons, including in Rio and Sydney.