The heat provided an extra test for participants in the Playtri Irving Triathlon in Las Colinas Saturday.
About a dozen people were treated for heat-related symptoms. Most just required ice and water on site. But two people were taken to the hospital.
Organizers and police said there were no life-threatenign injuries but plenty of exhausted people.
The participants started Saturday at 7:00 a.m. The last group started around 2:45 p.m. NBC 5 Meteorologist Grant Johnston said today's high tempature in DFW hit 96 degrees, tying the hottest day of the year so far.
More than 200 people participated in today's event.
Dozens of first responders and first aid stands were set up throughout the course to help participants.