Masayo Kobayashi

Masayo Kobayashi

JapanJapan
Born
Feb 4, 1980 (46 years old)
Events
Half Marathon · Marathon

Masayo Kobayashi is a Japan long-distance runner, born on February 4, 1980. She competes primarily in the 3000m, 5000m and 10000m.

Her personal bests include 9:23.7h in the 3000m, 15:45.05 in the 5000m, 32:59.63 in the 10000m, 1:10:14 in the Semi and 2:33:00 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:10:14
#938 all-time
2008 season best9:28.57Jun 1, 2008 · Yokohama
2008 season best
Personal best · Marathon2:33:00

As of Nov 6, 2026: Half Marathon 1:10:14 (#938 all-time), Marathon 2:33:00, 2008 season best 9:28.57 (Jun 1, 2008, Yokohama (JPN)) · 46 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
3000mKumamoto 2002Japan 3000 m all-time list9:23.7h1,028 pts–
5000mKobe 1999Japan 5000 m all-time list15:45.051,078 pts–
10000mOkayama 2003Japan 10 000 m all-time list32:59.631,088 pts–
SemiMarugame 2003Japan Half Marathon all-time list1:10:141,125 pts#938
MarathonSapporo 2007Japan Marathon all-time list2:33:001,090 pts–
10KilometrKobe 200033:05–

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
20083000m 9:28.57–Jun 1, 2008Yokohama (JPN)
20085000m 16:04.66–Sep 28, 2008Yokohama (JPN)
200810Kilometr 34:09–Dec 23, 2008Okayama (JPN)
20075000m 16:37.17–Apr 30, 2007Yokohama (JPN)
2007Semi 1:15:38–Jul 8, 2007Sapporo (JPN)
2007Marathon 2:33:00–Sep 9, 2007Sapporo (JPN)
2006Semi 1:12:19–Feb 5, 2006Marugame (JPN)
20053000m 9:34.84–Jun 25, 2005Shibetsu (JPN)
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FAQ

Frequently asked questions

Masayo Kobayashi's Half Marathon personal best is 1:10:14, set on Feb 2, 2003 in Marugame (JPN), #938 on the all-time list.

Masayo Kobayashi competes in the Half Marathon and Marathon.

2008 season best: 9:28.57, set on Jun 1, 2008 in Yokohama (JPN).