Calculators
Stop Guessing & Start Training
Because "Wing'in It" Isn't a Training Zone
Training Zone Calculators
Training zones divide your effort into distinct intensity levels—typically five or more—designed to target specific physiological adaptations, such as building aerobic endurance, improving lactate threshold, or enhancing speed and power. They are essential for structured, effective training because they ensure you're working at the right intensity to maximize gains, avoid overtraining, and promote recovery, allowing you to train smarter rather than just harder.
Use our calculators below to input your key performance data and instantly generate personalized training zones tailored to your current fitness level.
Heart Rate Zone Calculator
Power Zone Calculator
Swim Zone Calculator
Pace Calculators
Enter your event distance, then enter your desired finish time. The tool will calculate the pace required to achieve that result for swim, bike, or run. For swim calculations, remember to add about 5-10 sec/100 yds for an open-water buffer. These calculators are intended as planning tools to help guide training and race-day strategy; actual pacing may vary based on fitness, conditions, and course profile.
Multisport Pace Calculator
Finish Time Calculators
Enter your expected swim pace, bike speed, run pace, and transition times to instantly estimate your total race finish time and individual splits—perfect for setting realistic goals and refining your race strategy.
Triathlon Finish Time Calculator
Duathlon Finish Time Calculator
Aqua Bike Finish Time Calculator
Aquathon Finish Time Calculator
Running Finish Time Calculator
Units:
Pace is always per mile. KM distances will be converted automatically.
Sweat Rate Calculator
Determine your personal fluid loss during exercise by entering your pre- and post-workout body weight, exercise duration, and any fluids consumed. This quick calculation reveals your hourly sweat rate and provides tailored hydration recommendations to help you stay properly fueled, prevent dehydration, and optimize performance during training and races. Assumes 1 lb of weight loss ≈ 16 fl oz of sweat.