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 like and follow our FB and Insta for the latest Tryout information or email semperfiathletics@gmail.com to inquire about tryout opportunities.

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.

We’re building the future of Colorado baseball, one rep at a time.

Questions? Aubrey Jones semperfiathletics@gmail.com | 970-217-3253

Commit early. Train hard. Play Semper Fi.