Motion trails of a person or car speeding

Hi,
Does anyone know how to create a motion trails of a person running high speed like what you see in movies like “The Flash” running ? Any tips ? I saw tutorial around using “spline” but does not give this effect visually … like what you see for a super person like the flash …

https://www.google.com/search?q=blender+motion+trails&rlz=1C1VDKB_en&oq=blender+motion+trails&aqs=chrome..69i57j0i22i30l9.5620j0j15&sourceid=chrome&ie=UTF-8#kpvalbx=_FKkBYofFJ6nAytMPyL-s6Ag48

The simplest method is with Motion Blur.

If you want the person to be more visible, render the scene 2 times.
Once with extreme motion blur and once with normal motion blur and then you pack the whole thing together in the compositor.
motion-blur-parameter

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@NewVisitor
Thanks so much for the guidance to solve this. Truly appreciate it.