Search backward in range till empty cell

I manage a league and I have a large spreadsheet of scores for each player in the league. Each player has a row and every week I record their score in the next column in that row.

What I want to do is find out the current "attendance" streak for each player in the league. In other words how many current weeks in a row has each player showed up since they last missed a week - could be zero, could be 30.

So I need a routine/formula to loop through a range- backwards, and count the number of non-empty cells until it reaches an empty cell and then report the count. I assume this requires VBA but I could not figure out how to loop through a range (row) backwards looking for an empty cell.

I've attached a sample spreadsheet