Sponsored by:  

Have an event to List?
Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all.  To have an event posted here please follow this link:  Event Policy Submission & Guidelines.

Loading Events

« All Events

  • This event has passed.

IRONMAN Boulder 70.3

August 4, 2018



Boulder 70.3 offers amazing views from start to finish, a bike course that is flat and fast and a run course all on dirt – easy on the knees.


Icing on the cake is that there are 30 slots for 70.3 World Championships in Nice, France.


Details here


Boulder Reservoir
Boulder, CO United States + Google Map

Leave a Reply

Your email address will not be published. Required fields are marked *