Save This Event For Later Tres Amigos Challenge Dublin, Granbury, Glen Rose, TX, Sat Jun 10 - Sat Oct 7, 2017 Who's Registered? | Contact Event | Google Calendar Start line address: Dublin, TX + Granbury, TX + Glen Rose, TX, Dublin, Granbury, Glen Rose, TX 76446 Presented by Tour de Agua, Blazin' Saddle 75, Paluxy Pedal This is a past event. If you wish to see the details for this past event click "Continue" below. If you are looking for a current event, please search the event calendar . Online Registration is closed Registration for this year's Tres Amigos Challenge is closed. But you can still register for the remaining two rides individually. Visit the websites for the Blazin' Saddle 75 and the Paluxy Pedal for more information.