Chong Mei Sze ranks #15 among Malaysian women marathoners for the 2026 season, on a net time of 3:26:54 set at Twincity Marathon 2026 on 18 January 2026. On the all-time Malaysian marathon board compiled by BiiB, Chong Mei Sze sits at #29 with an official gun time of 3:22:59 from IJM Duo Highway Challenge 2025. Half marathon 1:35:56 (#24 all-time, Twincity Marathon 2025).