Comparison of Speed — Aerobic Pace to Lactate Threshold

Category: Training Documents

HR Ranges – Lactate Threshold

LT Swim Economy – Speed
(Based on 100 yard pace)

  • Aerobic (A) → 1:45/100
  • L1 → 1:41/100 4″ faster than (A)
  • L2 → 1:49/100 6″ faster than (A)
  • L3 → 1:37/100 8″ faster than (A)
  •  
    LT Bike Economy – Speed

  • Aerobic (A) → 20 MPH
  • L1 → 20.8 – 21.3 (.8 – 1.3) faster than (A)
  • L2 → 21.3 – 22.0 (1.3 – 2) faster than (A)
  • L3 → 22.0 – 25.8 (2 – 5.8) faster than (A)
  •  
    Looking at your bike speed, this chart denotes the relative increase in speed above aerobic heart rates. (i.e., at LT Level 1 an athlete will ride .8 to 1.3 mph faster than their aerobic speed.)

     
    LT Run Economy – Speed

  • Aerobic (A) → 7′30″/mile
  • L1 → 6′55” to 7′10″/mile (20″ – 35″) faster than (A)
  • L2 → 6′40″ to 6′55″/mile (35″ – 50″) faster than (A)
  • L3 → 6′10″ to 6′45″/mile (45″ – 1′20″) faster than (A)
  •  
    This chart shows the speed increase at LT Levels (1-2-3) in relation to an athlete’s aerobic speed per mile. As an athlete becomes more economical, they will have a broader spread in time between aerobic speed and LT Level and speed.

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