HOME OF CHAMPIONS: 2025 18U Fall Longmont League Champions

Welcome to Semper Fi Athletics

Semper Fi Athletics is an athletic training facility located in Severance, CO and founded by Ryan Jones, a Marine Veteran with over 30 years of experience coaching youth baseball, football and soccer. The facility provides indoor training focused on baseball and softball to help young athletes aged 8-18 improve their skills and reach higher levels of competition.  Summer and Fall Competition League Teams are also offered.

12U Iron Team - Summer 2026 - Few Spots Remaining

Welcome to the next level of youth baseball! Semper Fi Athletics — a Veteran-owned program rooted in the Marine Corps creed Semper Fidelis (Always Faithful) — is proud to launch our inaugural 12U Elite IRON Summer 2026 Youth Baseball Team. This is your athlete’s chance to train with purpose, compete at the highest local and regional levels, and develop the resilience, leadership, and skills that turn good players into great ones. Please call or Email to inquire about Tryout:

Call 12U Coaches to Tryout:

Joe Matthews, 970-481-2017

Jarrod Bishop, 970-270-9420

Will Duncan, 970-209-8350

Aubrey Jones: 970-217-3253, semperfiathletics@gmail.com

Winter Session: Nov. 3 - Feb. 28 $250/month

Train Tuesday, Wednesday, and Thursday evenings (5-9 PM) with focus on Hitting, Fielding, Pitching, and Skill Mastery. Saturday Open Gym runs 10am - 2pm (Practice days/times subject to change). Click HERE to register! CrossFit will continue to offer Tuesday and Thursday sessions at their Severance facility throughout the November-February session.

For Private Lessons Click Here or Email: SemperFiAthletics@gmail.com

SPRING SESSION: DATES & DETAILS TBD

Summer League Play: Details Coming Soon!

Semper Fi Athletics Hats Available for $30; Email semperFiAthletics@gmail.com

This Week's Practice Schedule
Gear Shop Closed - Stay Tuned for Future Offerings

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