The Hambletonian Oaks is a premier harness racing event for three-year-old Standardbred female trotters first run in 1971.
[2] The Hambletonian Society, Inc. is a Group Stakeholder of the Racing Medication and Testing Consortium (RMTC).
Beginning in 1991, the Society's Board of Directors banned any horse from competing in the Hambletonioan Oaks using the either of the medications Butazolidin or Lasix.
[3] In 2016, the driver and trainer combination of Yannick Gingras and Hall of Fame inductee Jimmy Takter set a record when they won the Oaks together for the third consecutive year.
The foreign born winning trainers have come from Sweden (16), Canada (10), Norway (3) and New Zealand (1).