Berean Study Bible
Therefore I do not run aimlessly; I do not fight like I am beating the air.

King James Bible
I therefore so run, not as uncertainly; so fight I, not as one that beateth the air:

American Standard Version
I therefore so run, as not uncertainly; so fight I, as not beating the air:

Darby Bible Translation
I therefore thus run, as not uncertainly; so I combat, as not beating the air.

Douay-Rheims Bible
I therefore so run, not as at an uncertainty: I so fight, not as one beating the air:

English Revised Version
I therefore so run, as not uncertainly; so fight I, as not beating the air:

Young's Literal Translation
I, therefore, thus run, not as uncertainly, thus I fight, as not beating air;