Train the body. Sharpen the mind. Own the game.
Mental Performance Coaching in Mississauga
Mental performance coaching at Ternion is led by Sport Psychologist Sly Walters MSc, a Certified Athletic Trainer with 19 years of experience working with Olympic, MLS, NHL, and Canadian national team athletes. Sessions train mental toughness, focus under pressure, confidence, pre-competition routines, and recovery from performance anxiety. Serving Mississauga and the Greater Toronto Hamilton Area.
Mental Performance Coaching in Streetsville Mississauga
Mississauga mental toughness training built on sport psychology
Mental performance coaching is a service. Sport psychology is the field it draws from. At our Streetsville Mississauga facility that distinction matters because the work is genuinely both: Sly Walters MSc is a Sport Psychologist, and the methodology he uses with mental performance clients across the GTHA is grounded in the same science he applies to Olympic and pro-level athletes.
Sessions train the mental side of competition directly. Focus under pressure, confidence in real-time, pre-competition routines that actually hold up, and recovery from performance anxiety when it has become a pattern. The work is specific and measurable, not vague mindset coaching, and is delivered at 66 Thomas Street, Unit 32 in Mississauga.
Sly's quote applies here: "I have seen athletes achieve greater heights by changing their psychological state alone." That is the leverage of integrated mental performance work for Mississauga athletes.
◆ Honest fit
Who Mental Performance Coaching Is For
Athletes who play hard but underperform in big moments. Adults whose mental side is holding back the work they care about. Sport psychology applied directly, with measurable skills like focus under pressure, pre-competition routines, and recovery from performance anxiety.
Athletes who crack under pressure in competition or playoffs.
Athletes building pre-competition routines that hold up in real games.
Athletes recovering from a confidence loss after injury or a rough season.
Adults applying performance psychology to professional or personal goals.
What Clients Say
Personal training client
“Training with Sly has been a game changer for me and my husband. We challenge our bodies in every session with the dynamic training, but more than that, it has developed a more resilient and positive mindset. If you want to push your body and mind to your maximum potential, this is the right place.”
Competitive soccer player
“Highly recommend for athletes of any age in any sport looking to reach that next level. I have seen a huge difference in my strength and conditioning and it has helped me prevent injuries for soccer. Best training I have had by far.”
Long-term Ternion athlete
“Through all my years of working with various trainers, I can assure you Ternion is top tier. Their devotion to everyone makes the aura feel as if we are family. I have never been one to consider mindfulness but now that I have, there is no going back.”
Why Mental Performance Coaching at Ternion
choose Ternion
Led by a Sport Psychologist with 19 years experience.
Sly Walters MSc has worked with Olympic, MLS, NHL, and Canadian national team athletes. The methodology is field-grade, not generalist mindset content.
Integrated with physical training.
Mental performance work folds into your athletic training program. Same coach watching both sides. The integration is the leverage.
Specific and measurable.
Sessions target named outcomes: focus under pressure, pre-competition routine, performance anxiety recovery, mental endurance. The progress is observable, not abstract.
Available for teams and individuals.
1-on-1 sessions for individual athletes and adults. Group workshops and season-long programs for teams. Speaking engagements for academies and organizations.
Years coaching
Sport Psychology
Athletic therapy
Featured 2026
◆ What to Expect
What to Expect
First sessions establish context. What is the specific performance goal? What is breaking down in big moments? What mental patterns recur? Sly maps the work concretely, not vaguely.
Subsequent sessions train named mental skills. Pre-competition routine building, focus drills under simulated pressure, confidence work, performance anxiety protocols. The skill builds with practice the same way a physical skill builds.
Results are visible in competition or in real-life performance contexts. Athletes describe handling pressure differently. Adults describe approaching pressure work with intent rather than dread.
◆ Service Area
Based in Streetsville
Serving the GTA
66 Thomas Street, Unit 32Streetsville, Mississauga
ON
Clients train with us from across the Greater Toronto Area. Most parents are used to driving, and the higher the level of sport, the more driving they do.
Cities served
- Mississauga
- Streetsville
- Toronto
- Oakville
- Burlington
- Hamilton
- Brampton
- Etobicoke
- Newmarket
- Barrie
Work with Sly on mental performance
Trust the Process
Book.
Submit the form or call. Schedule your intake conversation.
Assess.
Movement screen, baselines, the right service track gets identified.
Train.
Programmed sessions at our Streetsville facility. Reviewed every four weeks.
Related
Programs
01 / 03Athletic Training
Physical training programmed alongside the mental side. Same standards, same building.
02 / 03Personal Training
For adults applying mental performance work to personal training goals.
03 / 03About Sly Walters
Sport Psychologist, Certified Athletic Trainer, MSc. The full credentials.
Frequently Asked Questions
What is mental performance coaching?
Is this the same as therapy?
Can mental performance coaching help with performance anxiety?
How often do mental performance sessions happen?
What's the difference between a sport psychologist and a mental performance coach?
Can teams hire Sly for group mental performance work?
Train the body. Sharpen the mind. Own the game.
Train your mind like you train your body
Mental performance coaching with Sly Walters MSc in Streetsville Mississauga.