Irish Whisper recorded 2.53.3, 11.4sec inside the required time in a solo effort.
The other horse in his qualifying test went off stride at the start.
Irish Whisper, a member of the Oamaru stable of Phil Williamson, is a gelding by Sundon and the second foal of Little Contessa. Her first foal, Maori Invasion (by Armbro Invasion), has won three races from eight starts.
Irish Whisper was within 2.3sec of the race record for a 3yr-old trotter at Forbury Park.
The 2yr-old pacer Night's Farewell qualified 3.8sec inside the required time yesterday. He is a Washington VC-My Tan Lady gelding trained by Billy Heads.
Early Choice, who is engaged at Forbury Park on Thursday, led over the final 1600m and held on by a head.
She ran second to Lindt at Forbury Park last week.
Brad Williamson, who drove El Castro to win yesterday, is due to begin race driving at the Kurow meeting on August 8.
Williamson (17) has been working fulltime for his father, Phil, for the past 12 months. His brothers, Nathan and Matthew, are both successful reinsmen.
Results
Weather, fine; track, fast.
Qualifying test, trotters, 2200m: Irish Whisper N Williamson 1; Moose Man 2. Two started. Dist. Time, 2.53.3 (first horse qualified). Trainer, P Williamson.
0w pacers and qualifying test, mobile, 2200m: Night's Farewell W Heads 1; Terraeyes 2; Dying For A Chance 3. Three started. 4L, 12L. Time, 2.51.5 (first horse qualified). Trainer, W Heads.
0w trotters, 2200m: El Castro B Williamson 1; Sunrise Delight 2; Afraid Of The Boys 3. Three started. L, 14L. Time, 2.55.9. Trainer, P Williamson.
0w pacers, 2200m: Oh Whatafella A Malcolmson 1; Kai And Mighty 2. Three started. 2L. Time, 2.56.9. Trainer, A Malcolmson.
1-3w trotters, 2200m: Early Choice 20 A Malcolmson 1; Aylesham 20 2; Gee Itsa Boy 3. Three started. Hd, 1L. Time, 2.54.5. Trainer, R Straight.
