The world’s twice junior champion scored 162.78 points in the free skating segment and a combined 238.69 points in two programs.
The previous record was held by another Russian athlete, Alina Zagitova, who scored respectively 158.50 and 238.43 points.
Trusova awed the viewers by performing three perfectly executed quadruple jumps in one programme for the first time in the history of women’s championships.
The 2019 Nepela Memorial is one of a series of events of the 2019-2020 Figure Skating Challenger Series established by the International Skating Union to allow skaters to gain World Standing Points.