The San Juan Capistrano Invitational Handicap is an American invitational handicap Thoroughbred horse race run annually on turf at Santa Anita Park in Arcadia, California. It is North America's longest graded stakes race. Open to horses age four and older, the Grade III event currently offers a purse of $150,000. Run during the second half of April as the traditional closing-day feature at Santa Anita Park, at about 1 3⁄4 miles it is the longest grass race in America.