The irresistible surge of Ka Ying Rising (NZ) (Shamexpress) towards Group 1 glory continued at Sha Tin on Sunday when David Hayes’ emerging champion sprinter powered to victory in the Gr.2 BOCHK Private Banking Jockey Club Sprint (1200m), breaking Sacred Kingdom’s long-standing track record. Clocking 1m 07.43s despite being eased down over the last 100m by Zac Purton, Ka Ying Rising improved his overall record to eight wins and two seconds from 10 starts and took a stranglehold on the HK$26 million Gr.1 Longines Hong Kong Sprint (1200m) at Sha…