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Your Fitness Journey Starts Here,

with Heart zones !

Find Your Personalized Heart Rate Zones

The Heart Zones Threshold Field Test is a simple, science-backed way to identify your unique heart rate zones—no lab required!

In this video, Threshold Training pioneer and Heart Zones' founder, Sally Edwards, guides experienced cyclist, Cathie Apple, through the Heart Zones Threshold Field Test by seeing how comfortably they can speak at increasing levels of exertion method. 

With just a heart rate monitor and a few minutes of effort, you’ll uncover your two personal thresholds (T1 and T2), helping you train smarter, recover faster, and reach your fitness goals with precision. Watch now to learn how to assess your zones and start training based on your body, not generic numbers.

Watch Now

On-Site Courses


Bring a Heart Zones live event directly to your club or studio. 

Join our nationally renowned Heart Zones Expert Trainers each with over a decade of experience as they lead two dynamic, hands-on courses that will elevate your training, coaching, and teaching lifting it to the next level:

  • Each course is just 4 hours split into two half-day sessions packed with practical insights, tech-enhanced learning, and personalized assessments.
    • Course 1. Foundations in Heart Rate Training 
    • Course 2. Level 1 Certification in Heart Rate Training for Everyone
  • All participants receive a certificate of completion and CEUs (continuing education units) upon request.
  • Designed for coaches, PE teachers, trainers, fitness enthusiasts, and athletes
  • Course materials include a course syllabus, use of a heart rate monitor during the course work, and personal assessments.
  • Early bird registration is $99 for each course.
  • Bonus: Host facilities get 2 FREE registrations.

Register if you are ready to open your knowledge and deliver data-driven results with the #1 fitness trend: wearables.

Coming Soon

Online Courses


Train anywhere with Heart Zones Online Courses

Can't bring us to your facility? Heart Zones will bring the expertise to you virtually. Join our Heart Zones Expert Trainers as they lead two interactive, online courses designed to elevate your training, teaching, and coaching. 


Two Powerful Online Courses. One Seamless Experience.

  • Take one or both courses at your own pace and we'll even provide the heart rate monitor:
    • Learn from world experts in heart rate (i.e. zone training)
    • Use tech-driven tools and strategies
    • Experience real-time feedback using heart rate monitors
    • Personalize all your assessments with actionable insights

Course 1: Foundations in Heart Rate Training for Everyone

Course 2: Level 1 Certification in Heart Rate Training

  • Receive a Certificate of Completion + CEUs
  • Perfect for coaches, PE teachers, trainers, fitness enthusiasts and athletes
  • Includes digital course materials and an optional heart rate monitor loaner
  • Learn to lead with data and wearable tech

Fee: $99 per course or $169 for both

You don't need to travel, just log in and level up!

Coming Soon

Meet our Expert Trainers



Kathy Kent portrait

Kathy Kent

Level 5 Expert Trainer

Based in Chicago, Illinois, Kathy Kent brings over two decades of global leadership in Heart Zones certifications. As a seasoned health club fitness director, Ironman triathlete, and marathon finisher, Kathy integrates her extensive background in indoor cycling, personal training, triathlon coaching, and senior wellness into transformative learning experiences. She is a respected expert in applying heart rate training to promote weight management and emotional well-being. Kathy is also the author of 365 Fit, a resource for integrating fitness into daily life. Her commitment to excellence is matched by her energy and deep professional knowledge.  

Will Taylor portrait

Will Taylor

Level 5 Expert Trainer

Will Taylor, based in Sacramento, California, is a veteran health and fitness professional with over 10 years of experience in health club and studio management. Specializing in small group training, treadmill and rowing instruction, and professional development for physical educators, Will is also a leader in fitness technology. His dual expertise in wearable hardware and software positions him at the forefront of the fit-tech movement. A passionate advocate for improving national fitness, Will empowers others through dynamic coaching and cutting-edge strategies.

Sally Edwards portrait

Sally Edwards

MA, MBA, Founder & Developer of the Heart Zones Method

Based in southern Oregon, Sally Edwards is a pioneer in applied exercise science and the visionary founder of Heart Zones. A best-selling author of 25 books, professional endurance athlete, educator, and entrepreneur, Sally has spent over 40 years leading the advancement of fitness education and technology. As the founder of Heart Zones, she has developed innovative methods that blend science, technology, and pedagogy to elevate health and performance. Sally is widely recognized as one of America's foremost voices in the field of fitness and heart rate training.