horse-racing newspaper; racing form
A specialized newspaper or publication that provides past performance data, tips, and news for horse racing.
I buy a racing form and make my predictions for the races.
He carefully read the racing newspaper before buying his betting tickets.
競馬 means horse racing itself, while 競馬新聞 is the newspaper or form guide specifically for horse racing.
スポーツ新聞 is a general sports newspaper, whereas 競馬新聞 focuses exclusively on horse racing information.
Compound of 競馬 (horse racing) and 新聞 (newspaper).