Can speed practice alone help long distance endurance?

Former Member
Former Member
If I only practice to improve the speed in short distance, will it help increase the endurance needed for long distance? In other words, say I have trained for several months for (only) speed, could I, one day, suddenly find myself swimming long distance without feeling tired? (Obviously the opposite is not true: simply being able to swim slow long distance doesn't help improve the speed.)
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  • Former Member
    Former Member
    Unless your endurance is poor to begin with, I think speed focused training will not improve your endurance. Speed focused training (fast swimming, long rest, broken swims, strength, etc.) will not cause your aerobic fitness to improve. Your heart and lungs will not spend enough time at the levels required to improve. At least that's my theory!
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  • Former Member
    Former Member
    Unless your endurance is poor to begin with, I think speed focused training will not improve your endurance. Speed focused training (fast swimming, long rest, broken swims, strength, etc.) will not cause your aerobic fitness to improve. Your heart and lungs will not spend enough time at the levels required to improve. At least that's my theory!
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