Just the tips of my shoes are worn out, can you fix the rand and not replace the sole?

Sorry, rand rubber wraps around the shoe, the sole is then glued and pressed on over the rand. In order to properly repair the rand we need to resole your shoe. Also, unless you are just an atrocious toe dragger, your sole will be worn out at the tip where your rand has worn out. Excessive rand damage can render your shoes unrepairable.  Prompt rand repair is very important to extend the life of your shoes.

That said, on the road, quick fixes, can include the use of a bicycle tube patch or a dab of Freesole or Aquaseal.