I dealt with that accidentally by finding "Boots of Blinding Speed" off of Pemenie in the western swamps; then later finding the Cuirass of the Savior's hide in Tel Fyr. It increases run speed a ton, and it works with levitate, so if you have the levitate spell you can speed around the map.

[1] https://en.uesp.net/wiki/Morrowind:Pemenie_and_the_Boots_of_...

[2] https://en.uesp.net/wiki/Morrowind:Cuirass_of_the_Savior%27s...