Matt Duffield fired Horsham YMCA into a first minute lead, but they ended up 4-1 losers at Arundel, who moved into third spot.
Mullets boss Steve Johnson believes his side are getting the results their hard work deserves.
He said: "We've got lots of quality but you have got to work hard as well. You can't have one without the other."
Elliott Capel struck at the far post to level after just 12 minutes.
Miles Scerri edged Arundel ahead and Jason Wimbleton and Stuart Hack made sure of the points.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article