[1] Competing for the Soviet Union, Shilkov lived in Leningrad (now Saint Petersburg), where he worked as an engineer.

In an international meet at Medeo, on 9 January 1955, Dmitry Sakunenko became the first person to skate the 5000 m below eight minutes, with 7:54.9.

His bronze medal at the World Championships of 1955 was 0.026 points behind the silver medallist (his eternal rival, Goncharenko) – a mere 0.52 seconds of difference on the 10000 m. An overview of medals won by Shilkov at major championships, listing the years in which he won each: Over the course of his career, Shilkov skated one world record: Source: SpeedSkatingStats.com[2] To put these personal records in perspective, the last column (WR) lists the official world records on the dates that Shilkov skated his personal records.

Shilkov was number one on the Adelskalender – the all-time allround speed skating ranking – for a total of 1,518 days, divided over three periods between 1955 and 1960.

His pupils included Ants Antson, Igor Ostashov, Stanislav Selyanin and Vladimir Sveshnikov.