Review for Sherwood Valley Rancheria Casino Review For Fair Grounds Race Course Google User Nov 25 '17 at 2:53 The horse racing season begins on Thanksgiving day. It's fun and you can bet the horse races. The New Orleans Jazz and Heritage fest is held at the fair grounds during the off season, particularly the last weekend of April, & first weekend of May. The Jazz Fest is a "must do" event in New Orleans. Us natives are very proud of the Jazz Fest! (Better than Mardi Gras!) View full site to comment or like