Course
Ironman 70.3 Boulder is a Long distance triathlon consisting of:
1.2 mile swim, 56 mile bike, 13.1 mile run.
About the event
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.
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