Richard Polluci's Maestro Blue Chip ($6.80, Victor Kirby) broke the Harrington Raceway 4-year-old trotting horse track record Wednesday with a 1:55.2 win in the featured $17,500 Open Trot.
 The Credit Winner stallion left from post position eight and set all the fractions in his win over a stout closing Strong Hope and Spunky Jack.
 Trained by Jo Ann Looney-King, Maestro Blue Chip continued his banner season with more than $210,000 earned this year in achieving his 12th win of the year.
 Richard Lombardo, Carl Atley and Robert Leblanc's Hemi Seelster ($5, Montrell Teague) captured the $10,000 sub-feature with a 1:55.1 triumph for trainer Josh Green. Teague had four wins on the program. Allan Davis, Art Stafford Jr., Kirby and Jim Morand each had two wins.