Hi and welcome!
Looks like 2 possibilities:
a gel problem or a sample problem
The gel problem could be several issues - recheck your buffer for running, better yet make a fresh one. Also your gel could by accident have been high % but the ladder shows this is probably not the case.
The sample issue could be your DNA is genomic DNA and to run this from experience you need basically way less than 1% ie 0.4-0.7% agarose gel. Your sample could also have impurities that are affecting its running potential.
Any ideas with the above? Do you have extra sample?