The IRONMAN Des Moines 70.3 race kicks off with a point-to-point swim in the serene Gray’s Lake, setting a peaceful tone for the event. This is followed by a challenging one-loop bike ride through the varied landscapes of West Des Moines, blending urban and natural scenery. The course concludes with a two-loop run along the picturesque Gray’s Lake and the Des Moines River, providing athletes with tranquil views of the water and lush riverbanks as they approach the finish line.
Des Moines, Iowa, in June enjoys warm and sunny weather with occasional showers. The average temperature ranges from a high of 28 degrees Celsius (83 degrees Fahrenheit) to a low of 17 degrees Celsius (63 degrees Fahrenheit). The humidity is relatively low, making it a comfortable time to be outdoors. Average rainfall in June is 99 mm (3.9 inches). The average number of rainy days is 10.
The average water temperature in Gray’s Lake, Iowa in June is 22 degrees Celsius (71 degrees Fahrenheit).
