Welcome to the Next Level of Colorado Travel Ball
At Semper Fi Athletics, our promise is simple: Have FUN, fall deeper in love with baseball, and develop the skills, toughness, and leadership needed to dominate at the high school and college levels.
Tryout Details
Please email semperfiathletics@gmail.com to inquire about tryout opportunities or follow us on Instagram and FB.
Scheduled a tryout with Coaches? Please complete the free registration here so we can plan for numbers: Here
Why Families Choose Semper Fi Athletics
Proven championship system — our 18U Gold team just won the Fall 2025 Longmont League Championship
Year-round indoor training at our private Severance facility
Elite coaching staff with over 80 years of combined experience
We compete to win tournaments, but we build young athletes for life
Have friends looking for the right program? Send them our way. Interested in waitlisting one of our other teams? Join our Summer 2026 Waitlist Here:
We’re building the future of Colorado baseball, one rep at a time.
Questions? Aubrey Jones semperfiathletics@gmail.com | 970-217-3253