Swim Course
(1.2-miles/1 loop)
The one-loop swim takes place in the Boulder Reservoir. The water temperature is generally between 70 and 74 F in August.
(1.2-miles/1 loop)
The one-loop swim takes place in the Boulder Reservoir. The water temperature is generally between 70 and 74 F in August.
Athletes will begin with a 1.2-mile, one-loop swim in the Boulder Reservoir followed by a 56-mile relatively flat bike course with slight inclines and descents. The 13.1-mile, two-loop course offers great views of the Rocky Mountains and allows spectators to cheer athletes on as they head to the finish line.
Connect to triathletes at Ironman events