370 Lakeside Triathlon

Experience the excitement of the annual USAT sanctioned 370 Lakeside Triathlon in the beautiful 370 Lakeside Park. Take on the challenge of the flattest, fastest course that includes a beach start, picturesque country roads in St. Charles County, and scenic park trails for the run. With race options ranging from a 5k run to a half distance triathlon, as well as duathlon, aquabike, and aquathlon choices, there's something for everyone. Visit the event website for more details on course maps, schedule of events, race options, volunteer opportunities, and more.