youtube.com/watch?v=miA4VTOyku8

You can create a curve and shape it to the shoes lace, then nurb extrude it and you'll get the path.

Or

You can just create parts of the lace and duplicate it around, since on the holes you can't see the laces on the back.

Also, your polys seems to be to heavy and you need to retopology your shoes.
I would recreate the base mesh of the shoes and modeled it in Maya. Then for fine details create a normal / displacement map.