Entwisle praised the work Mitchell had done leading into Mighty Sunny's hatrick.
"Todd has done a good job and so did his previous trainer, Andrew Grant, who put in all the early ground work. Both must be applauded for the great job they have done with the horse.
Meanwhile, the Nicky Chilcott trained and driven Everything claimed the feature event " the $10,000 Quintin Oakes Builders Stratford Cup for the R60 and faster pacers.
The Sands A Flyin gelding was the $3.40 favourite. It was the brown five-year-old's sixth win in 12 starts. He's also placed three times.
It was also his second Country Cups win this season after nailing the Otaki Cup on January 29. Everything, who is out of the seven-win ($45, 478) Camtastic mare For The Girls, is owned by the Summer Fun Number 1 Syndicate.
"We formed the Syndicate because a lot of people wanted me to get them involved in racing. We have had a wee bit of success to date but nothing major. This horse just tops it all off," Chilcott said.
Everything paced the 2600m stand in 3:31.6 (mile rate 2:10.9) with final 800m and 400m sectionals of 60.3 and 29.6. Fleeting Grin (Ferguson) and second favourite Kenrick (David Butcher were second and third a neck and a head away. All three started from the 10m handicap. Everything was bred by Hambletonian Limited.