is a Japanese long-distance runner, who won the bronze medal in 10,000 metres at the 1997 World Championships in Athens and in the marathon race at the 2003 World Championships in Paris. Chiba was a torchbearer during the 1998 Nagano Olympics Opening Ceremony. Achievements Personal bests 5000 metres - 15:20.58 min (1997) 10,000 metres - 31:20.46 min (1996) Half marathon - 1:09:27 hrs (1999) Marathon - 2:21:45 hrs (2003) External links marathoninfo 1976 births Living people Japanese female long-distance runners Japanese female marathon runners Athletes (track and field) at the 1996 Summer Olympics Olympic athletes of Japan Sportspeople from Kyoto Prefecture World Athletics Championships medalists 20th-century Japanese women 21st-century Japanese women