Khamidulin appeared in a top-level ski jumping competition for the first time in 1997, when he competed in the World Championships in Trondheim. He took 41st place in the normal hill (K-90) competition and 52nd place in large hill (K-120). A month after, Khamidulin debuted in the FIS Ski Jumping World Cup in a ski flying competition in Planica. After that, Khamidulin competed in nine more World Cup competitions and his best result was from Harrachov in December 1998, a 17th place. In the 1998 Winter Olympics in Nagano, Khamidulin received a 23rd and a 25th place respectively in normal hill and large hill. Khamidulin and Russia also competed in the team competition in Nagano and took 9th place. The same season he came at the 41st place in the Four Hills Tournament. Khamidulin also competed in the World Championships at Ramsau in 1999 without any eminent results. Khamidulin's weight was under 62 kg during his active ski jumping career.