Amiya Mallick holds the 100 metres national record of 10.26 seconds at New Delhi in 2016 during the semifinals of the National Federation Cup in New Delhi. His personal best in 200 m race stands at 21.03 sec at Bhubaneswar in 2017. In September 2023 his team finished the 4x100 Metres relay in 39.24 seconds at Chandigarh in September 2023.

He bettered the previous national record of 10.30 seconds jointly held by Anil Kumar Prakash (2005) and Abdul Najeeb Qureshi (2010). Having clocked 10.35 seconds during the heats of the same event, Mallick suffered a hamstring strain during the semifinal. He ran the final with his thigh heavily strapped and finished fourth with a timing of 10.51.