35 years of experience as an international athlete, coach, and mentor, I help runners of all levels unlock their full potential. My approach goes beyond mileage charts—focusing on resilience, joy, and balance. Whether you’re chasing your first finish line or a new personal best, I bring decades of racing, training, and life lessons to guide you on your journey . Coaching ExperienceFounder & Head Coach – Breen Running Marin County, CA | 2015 – Present Coach 170+ women annually in beginner, intermediate, and elite groups. Create custom training plans for road, trail, marathon, and ultra athletes. Guide athletes in building confidence, staying injury-free, and enjoying the process. Offer mentorship that balances physical training with nutrition, mindset, and recovery.
Guest Coach & Speaker 2010 – Present Led running workshops, motivation sessions, and community clinics. Supported runners through race-day coaching and mentorship.
Athletic AccomplishmentsPersonal Bests (PBs): Marathon: 2:47:38 Half Marathon: 1:17 (Road) 50k Road: 3:38Career Highlights: Competed in 150+ marathons and ultramarathons worldwide. Represented Australia in triathlon, marathon, mountain running, and ultra championships. 50+ ultramarathon finishes with consistent top placements. Coaching Philosophy Running is a whole-person journey—it’s about heart, mind, and body. Every runner is capable of more than they believe. Progress over perfection—sustainable growth is the foundation for lasting results. Community and joy make running powerful and transformative. Education Lifelong student of sport, training methods, nutrition, and performance psychology.