Running such low speeds, you aren't likely to see anything but a tiny bit of
jitter on the edges of the bits.
For the reflections to matter (especially short stubs) they have to be
electrically long relative to the wavelength of the bits, in the wire.  If
you could get reflections out to say 10% of a bit time, then I'd be
worrying, but this would require REALLY long lines, or much faster
bit-rates.