DateDisciplineResultWindPos.RoundCompetitions
20122 races
Jun 8400mH 51.76 –8HeatJapanese Championships, Osaka
May 3400mH 52.29 –9FinalShizuoka International Meeting, Shizuoka
20112 races
Jun 10400mH 50.46 –5HeatJapanese Championships, Kumagaya
May 3400mH 51.05 –5FinalFukuroi Shizuoka Prefecture, Fukuroi
20103 races
Oct 1400mH 51.48 –4HeatChiba
Aug 21400mH 50.63 –1FinalKitakyushu
Jun 4400mH 52.08 –5HeatJapanese Championships, Marugame
200911 races
Oct 3400mH 50.16 –7FinalNiigata
Oct 2400mH 50.54 –1HeatNiigata
Sep 23400mH 51.01 –6FinalKawasaki Super Track & Field Meet, Kawasaki
Jul 29400mH 50.65 –1FinalLoughborough EAP Meeting, Loughborough
Jul 15400mH 50.85 –8FinalLuzern Spitzen Leichtathletik, Luzern
Jul 4400mH 50.84 –7FinalMadrid Meeting de Atletismo, Madrid
Jun 27400mH 49.81 –4FinalJapanese Championships, Hiroshima
May 9400mH 49.34 –4FinalOsaka GP 2009, Osaka
May 3400mH 49.95 –1Shizuoka International Meeting, Shizuoka
Apr 18400mH 50.37 –2FinalWalnut Mt.SAC Relays, Walnut, CA - Invitational Events
20088 races
Oct 4400mH 49.92 –5FinalOita Kokutai National Sports Festival, Oita
Oct 3400mH 50.67 –2HeatOita Kokutai National Sports Festival, Oita
Sep 27400mH 52.21 –6FinalYamagata Corporate Ch., Yamagata
Sep 26400mH 51.37 –1HeatYamagata Corporate Ch., Yamagata
Sep 23400mH 50.29 –5FinalKawasaki Super Meet, Kawasaki
Jun 26400mH 51.07 –3HeatJapanese Championships, Kawasaki
May 10400mH 51.55 –8FinalOsaka Grand Prix 2008, Osaka
May 3400mH 52.06 –14FinalShizuoka International Meeting, Shizuoka
200710 races
Oct 6400mH 50.91 –4FinalAkita
Sep 30400mH 51.55 –6FinalYokohama Super Meet, Yokohama
Jul 27400mH 50.94 –4FinalAmman Asian Championships, Amman
Jul 26400mH 50.60 –1HeatAmman Asian Championships, Amman
Jun 30400mH 49.53 –3FinalJapanese Championships, Osaka
May 5400mH 49.69 –5FinalOsaka Grand Prix 2007, Osaka
Apr 30400mH 50.10 –1FinalShizuoka International Meeting, Shizuoka
Apr 22400mH 50.37 –1FinalWakayama
200621 races
Oct 22400mH 49.88 –1FinalOdawara
Oct 15400mH 49.70 –1FinalNiigata
Oct 7400mH 50.16 –4FinalKobe National Sports Festival, Kobe
Oct 6400mH 50.46 –2HeatKobe National Sports Festival, Kobe
Sep 30400mH 49.83 –3FinalOita All-Japan Corporate Team Championships, Oita
Sep 30400mH 50.03 –1HeatOita All-Japan Corporate Team Championships, Oita
Sep 24400mH 49.76 –6FinalYokohama SEIKO Super Meet, Yokohama
Aug 19400mH 50.22 –1FinalSaga
Jul 28400mH 50.77 –8FinalCrystal Palace Norwich Union London Grand Prix, Crystal Palace, London
Jul 21400mH 50.30 –6FinalRethymno Vardinogiannia, Rethymno
Jul 17400mH 50.50 –4FinalChania Venizelia, Chania
Jul 11400mH 50.01 –7FinalAthletissima Lausanne, Stade Olympique de la Pontaise, Lausanne
Jul 6400mH 50.50 –8FinalLuzern Spitzen Leichtathletik, Luzern
Jul 1400mH 50.34 –5FinalJapanese Championships, Kobe