Coaching with data

Guides on heart-rate training, zones, and getting more out of every practice.

• ANT+ vs Bluetooth for swim heart rate: why broadcast wins on the pool deck
  Why ANT+ broadcast captures a whole swim squad's heart rate at once with no pairing, where Bluetooth hits a connection ceiling, and the honest truth about signal in water.
• Heart-rate training for swimmers: a coach's guide
  What heart-rate zones mean for swimmers, how to set them from threshold pace, and how to coach to them in practice.
• Swim Pace Calculator: the splits to hit your target time
  Set the split for every length of a race with a swim pace calculator. Even, negative, or positive splits, plus the splits to swim a cut. Free in apxswim.
• Swim Race Pace Calculator: turn a goal time into practice paces
  How to set race-pace practice sets from a swimmer's goal time using race pace training (RPT). The method, a worked example, and the free race pace calculator in apxswim.