The North West 10k committee has opened a registration office at the Letterkenny Community this evening from 5-6.30 p.m.
Runners and walkers are asked to come along and enter early as huge numbers are expected again for the charity event on Sunday.
Collect your new souvenir 20th North West 10k t-shirt this evening also.
Remember only the first 2,000 entered are guaranteed the new t-shirt.
The registration office will also be open on this Thursday and Friday from 5-6.30 and on Saturday afternoon 3-6 p.m.