
Build strength and endurance at ISI® Alamo Heights in San Antonio. Fifty minute coached sessions for every fitness level. First session is free. Book your spot today.

Book up to 14 days ahead
Booking window: November 5–19
4 sessions
with Caitlin Caselli
with Brooke Allemand
with Brooke Allemand
with Brooke Allemand
Sessions can be booked up to 14 days ahead. Days without sessions stay unavailable.

Expert guidance. Personal encouragement. Every session.

Find your people. Build connections beyond the workout.

Go beyond the scale. See the full picture of your progress.

Keep your routine moving, wherever your day takes you.

You don't have to be an athlete to train like one. From your first high-five to your final rep, experience 50 minutes of coach-led, athletic-based strength training, with expert guidance, movements tailored to your ability, and a team that brings out your best. Your first 50-minute session is complimentary. No experience necessary.

Led by a HYROX Qualified Group Instructor. Month-to-month.
Membership options and terms vary by location. Explore your local ISI®’s options for details.
MEMBERSHIPS + PACKAGESHeavier loads and fewer reps on squats and lunges, with an emphasis on speed and force. You'll train to produce real power.

Emphasis on compound lifts like squats, lunges, and sled work for power.
Heavier loads and fewer reps on squats and lunges, with an emphasis on speed and force. You'll train to produce real power.