Mark Lee is the fastest Singaporean schoolboy ever in the 100m and 200m, clocking the NSG Records of 10.59s and 21.62s at the 2022 National School Games. He was part of the 4x100m relay quartets that won bronze in both the 2021 and 2023 SEA Games. Mark is also the National U20 Record Holder in the 200m (21.44s).