🐶 Dog Jumps into Water & Swims Happily | Fun Pet Swimming Moments #shorts #love #dog #cutepuppy

Threshold training is where you swim close to your limitn but not over it. Your body produces lactate and removes it at the same speed. That’s the key. The better your body gets at clearing lactate, the longer you can hold a fast pace without falling apart. 🧠 Why threshold matters Races are not sprints from start to finish. The ability to stay fast while tired is what separates good swimmers from fast ones. Threshold training teaches exactly that. ⚙️ What threshold feels like Heart rate around