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Ironman 70.3 Boulder

  • Boulder Reservioir (map)

Reasons to Race IRONMAN 70.3 Boulder

Peerless Views

Throughout the day athletes can see the Flatiron Mountains and the Boulder Reservoir. The beautiful views make the miles go by quickly!


The bike course is flat and fast, making it the ideal location for athletes to set a new personal best.

Perfect Path

The run course features a dirt path which is easy on the knees for athletes closing in on the finish line.

Earlier Event: August 3
Rocky Mountain Race Series
Later Event: August 4
BME Finals Aspen Snowmass