In endurance performance, what is the practical implication of achieving a higher lactate threshold?

• A. Better endurance performance.
• B. No improvement in endurance.
• C. Reduced performance at submaximal workloads.
• D. Higher resting metabolic rate.

Answer: (A)

Raising the lactate threshold means your body can sustain a higher intensity before lactate starts to accumulate faster than it can be cleared, which keeps fatigue at bay longer. In endurance events, this lets you hold a faster pace or power output for a longer period because you’re operating at a level where the muscles can meet the energy demand without a rapid buildup of fatigue-causing lactate. Training to shift this threshold upward—through sustained, steady efforts and tempo-like workouts—makes submaximal efforts feel easier and lets you maintain a higher fraction of your max effort for longer, which translates into better overall endurance performance. The other statements don’t fit this relationship: LT elevation does improve endurance, it doesn’t imply worse performance at submaximal workloads, and resting metabolic rate isn’t the primary practical implication of a higher LT.