Heyo! I think you're doing good, but I think you're right in that perfectionism is your enemy here. Remember, you're not going for a finished piece, you're wanting to roughly convey the idea of motion. I'd even simplify your gesture down to just a few lines if you have a lot of trouble fighting your urge to make a clean outline of something.
Look up the channel Proko on youtube, he's got a series of videos about gesture drawing that might loosen you up.
Also, I recommend trying to use your whooooole arm to draw, and make long sweeping lines that covey the motion of the figure instead of outlining the silhouette of the figure, which is what looks like is happening with your drawings
Great start though, keep it up! <3
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