52.92 | 8 | 17th Tomakomai City School Competition | 16.12.2001 | Tomakomai (JPN) |
52.10 | 8 | Tomakomai Jhs/hs Championships | 24. - 25.02.2001 | Tomakomai (JPN) |
53.83 | 12 | 16th Tomakomai City Jhs Meeting | 17.12.2000 | Tomakomai (JPN) |
54.19 | 15 | Tomakomai Jhs And Hs Comp. | 09.12.2000 | Tomakomai (JPN) |
53.45 | 7 | Tomakomai JHS Sprint Championships | 10. - 11.02.2000 | Tomakomai (JPN) |
53.56 | 10 | 15th Tomakomai Jhs Competition | 11. - 12.12.1999 | Tomakomai (JPN) |
53.56 | 24 | Tomakomai City School High School Competition Meeting | 05.12.1999 | Tomakomai (JPN) |