 While there are no official records documenting all of his career races, he once estimated that he had ridden more than 700 winners during his career.Among his most spectacular wins was the 1892 Suburban Handicap on Montana and in 1893 at New Jersey's Guttenberg track on Tammany, both impressive finishes.Garrison was so well known for this that a contest where the winner pulls ahead at the last moment to score the victory is known as a "Garrison finish".