An eight-week mental performance program for adult athletes in any sport. Three trainable skills. One structured method. Developed by Christian Straka and Julianna Raye, in collaboration with Unified Mindfulness.
Lifetime access · Thirty-day money-back guarantee
Athletes on MindSize
MindSize has everything you need to deal with the pressures of performing and competing at a high level. These teachings have shown me how to effortlessly reach flow states and be fully immersed in every moment.Mike Bryan
He has opened so many pathways in my mental capabilities to push further on an athletic front. He highlights your strengths to lift and bring balance to the weaker aspects, which brings inner calm.Lee Ryan
What the training addresses
The mental side of performance breaks down in specific, recognizable ways. The program addresses each directly, through structured practice rather than advice.
The program is eight weeks. It starts the day you enroll.
Enroll Now · $397The program is specific. Being clear about who it will not serve is part of being clear about what it is.
The method
MindSize trains three foundational mental skills. They are not strategies or mindsets. They are capacities, developed through structured practice, that transfer directly into competition.
The ability to focus on what you choose, when you choose it, for as long as the moment requires. Not forced attention. Trained attention.
The ability to track your experience in real time. Sensation, thought, and emotion become readable rather than disruptive. Decisions sharpen.
The ability to allow experience to move through you without resistance. Technically: equanimity — not detachment, but full contact with performance without reactivity pulling you off course.
The program
Each module develops a specific skill. Each prepares the ground for the next. The program is entirely self-paced, available on any device, with lifetime access.
What’s included
Core Program
All eight modules, delivered through a structured learning system. Self-paced, on-demand, accessible on any device. Lifetime access.
Group Coaching · Six Months
Monday through Friday live-streamed guided sessions, 500+ on-demand mindset technique audios, and monthly live coaching calls.
Practice Packs
Supplementary practice packs that extend the core curriculum. Techniques for specific performance contexts and skill refinement.
Coaching Session
A small-group coaching session with a certified MindSize coach, to orient your practice and address questions from the curriculum.
All program content is delivered through the Unified Mindfulness platform. Login details are sent immediately after enrollment.
Created by
MindSize was developed by two specialists with decades of combined experience inside competitive sport and mindfulness research — and validated in collaboration with university scientists.
Co-Founder & Program Lead
Mindfulness-based mental performance specialist. Created and teaches the first course on mindfulness and athletic performance at USC. Mindfulness coach to Mike Bryan across the 2012 Olympics, multiple Grand Slams, and the 2018 ATP Finals. 40+ years inside competitive sport as coach, trainer, and competitor.
Co-Founder & Curriculum Lead
CEO of Unified Mindfulness. 20+ years training athletes, coaches, and executives in the Unified Mindfulness system. Co-author of peer-reviewed research with Carnegie Mellon's David Creswell, PhD. Lead designer of the curriculum underlying this program.
The Unified Mindfulness system has been studied in peer-reviewed research with David Creswell, PhD (Carnegie Mellon University) and Jay Sanguinetti, PhD (SEMA Lab, University of Arizona). Published findings support its efficacy for sustained attention, stress reduction, and cognitive performance under pressure.
Enrollment
One-time · No subscription · Any device
Thirty-day money-back guarantee. If the program is not right for you for any reason, a full refund. No questions asked.
Questions before enrolling? Visit the support desk →
Questions
The method works across sports. Concentration, Clarity, and Coolness are not sport-specific. They apply wherever performance depends on a trained mental state. Current participants include tennis players, swimmers, cyclists, martial artists, and team sport athletes.
No. The program begins at the foundations and builds systematically. No prior practice is assumed. Athletes with existing mindfulness experience will find the framework integrates cleanly with what they already know.
Sessions range from 15 to 30 minutes. The program is entirely self-paced. There are no deadlines, no expiry, and no required schedule.
The core program has no live classes. Everything is on-demand and accessible at any time on any device. The included group coaching component — live-streamed sessions and monthly calls — is hosted on the Unified Mindfulness platform. Login details for both are provided immediately after enrollment.
Thirty days to try the program. If you are not satisfied for any reason, a full refund. No questions asked. To request a refund, contact support at unified.ladesk.com.
Lifetime access to all program materials. Updates and additions to the curriculum are included.
Sports psychology typically works through cognitive strategies, reframing, and mental rehearsal. Those are tools for managing your mental state. MindSize does something different: it trains the underlying attentional capacities themselves. Rather than giving you strategies to apply under pressure, it develops the ability to direct attention precisely, read your experience clearly, and allow difficult sensations without resistance. These are trainable skills, not coping mechanisms. They transfer across sports, conditions, and high-stakes moments because they are grounded in how attention itself works.