(Cleveland) - Another big event is headed Cleveland's way. The U.S.A. Triathlon Age Group National Championships will be held here in 2018 and 2019. More than five thousand participants will take part in the event each year bringing with them 8,000 to 9,000 family and friends. That will mean an economic impact of $6.5 million each year. The 2018 event will be held Aug. 11 and 12.