Upcoming Races & Club Events « All Events This event has passed. Age Group Nationals August 10, 2019 - August 11, 2019 « Greenfield Lightlife Triathlon Lake Dunmore Triathlon » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Start: August 10, 2019 End: August 11, 2019 Website: http://www.usatriathlon.org/events/national-championships.aspx