New Delhi [India], September 19 (ANI): India's Olympic medalist javelin thrower superstar Neeraj Chopra has expressed disappointment following his eighth-place finish and failure to defend his title at the ongoing World Athletics Championships in Tokyo. 'It's not how I had hoped to end the season, at the World Championships in Tokyo. The world javelin title went to Trinidad and Tobago's Keshorn Walcott, who managed the best throw of 88.16 m, marking his first World Championship gold 13 years after his Olympic triumph in London. In the fifth round, Neeraj was finally out, as he could not improve on his best finish, finishing at the eighth spot. In the final round, Sachin managed a throw of 80.95, finishing in fourth place.