Welcome to Castle Rock Multisports! Whether you are an experienced multisport athlete, or new to the sport, our mission is to provide you with the best experience possible. We want you to meet and exceed your athletic potential in each race we produce.

We are thrilled you have decided to race with us! Good luck and 'Tri' your best to become all you can be!

Check out our race schedule page for our upcoming races!!

What We Do

We are multisport athletes who are concerned about giving back to the sport we love so much by offering safe and exciting events, beautiful venues, great athlete support, training plans, supported training events, and great swag! We want to promote a healthy lifestyle, and encourage people who have never participated to join this exciting sport.

Our company offers a variety of multisport events for adults, women only, and kids. Whether you are looking to participate in a 5K running event, duathlon, or triathlon, we are committed to make that experience the best it can be!

We are 'athletes serving athletes'!  

What's New?

Check out some of our new additions including:

• Our planned race schedule for kids, adults, and women only.
• Some sample training plans to help you accomplish your goals 
• Join our Triathlon club and enjoy training sessions with fellow athletes
• Upcoming training clinics