At Griffin Sports Performance, we combine science-based training with real-world experience to help you achieve lasting results. Whether you are starting your fitness journey or chasing a personal best, we provide expert coaching tailored to your goals.
Importantly, performance is not only physical. Therefore, we also focus on mindset, confidence and consistency to help you progress and perform at your highest level.

Personal Running Coaching
With over 60 years of running experience, starting at age 10, and 20+ years coaching athletes, Tom Griffin offers expert guidance for every level.
He has completed 5 full Ironman events and continues to pursue high-level performance goals.
We coach:
- 5K, 10K and Half Marathon runners
- Marathon and Ultra runners
- Triathlon and Ironman athletes
- Beginners to advanced athletes
Each programme is built around your schedule, fitness level and goals. In addition, we monitor your progress and adjust your plan as you improve.
Lactate Threshold Testing – Train With Precision
Stop guessing your training zones. Instead, use real data to guide your performance.
What are LT1 and LT2?
- LT1 shows your aerobic efficiency and endurance base
- LT2 shows your high-intensity performance threshold
Understanding these zones allows you to train at the correct intensity for maximum results.
Your Testing Session Includes:
- Welcome consultation and warm-up
- Gradual running or cycling stages
- Finger-prick blood lactate sampling
- Real-time performance tracking
- Detailed written report
- Personalised heart rate and pace zones
As a result, you train smarter, avoid overtraining and improve faster.

Personal Training in Finglas
Our private studio offers a supportive and judgement-free training environment.
We provide:
- 1-to-1 coaching
- Small group training
- Strength and conditioning
- Mobility and injury prevention work
- Goal-focused fitness programmes
Every session is tailored to your ability and confidence level. Therefore, you can progress safely while building strength, fitness and self-belief.
Sports Performance & Mindset Coaching
Physical training is only part of performance. In fact, mindset plays a crucial role in achieving your goals.
We help you develop:
- Focus and discipline
- Confidence under pressure
- Resilience and consistency
- Goal setting and performance planning
- Visualisation and mental preparation
By combining physical and mental coaching, you gain a complete performance system that delivers long-term success.


Motivational Speaking & Workshops
Tom Griffin delivers engaging and inspiring talks for:
- Sports teams
- Corporate groups
- Schools and organisations
Topics include:
- Resilient mindset development
- Breaking limiting beliefs
- NLP techniques for performance
- Building winning habits
- Confidence and leadership
Sessions are available as workshops, group talks or one-to-one coaching.
