KO
Kayoko Obata
JPNWomenBirth dateSep 18, 1971
Height-
Weight-
Kayoko Obata is a Japan long-distance runner, born on September 18, 1971. She competes primarily in the 3000m, 5000m and 10000m.
Her personal bests include 9:23.35 in the 3000m, 16:10.58 in the 5000m, 32:32.36 in the 10000m, 1:10:20 in the Semi and 2:25:14 in the Marathon. She has earned 1 bronze medal in major international competitions. She is currently active on the international athletics circuit, representing Japan.
Key facts
Age
55 years old
As of Sep 18, 2026: Marathon 2:25:14 (#529 all-time), Half Marathon 1:10:20 (#982 all-time), 2010 season best 2:27:19 (Jan 31, 2010, Osaka (JPN)) · 55 years old
PB
Personal bests
9:23.35
16:10.58
32:32.36
33:12
41:48
56:31
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2010 | Semi | 1:12:20 | - | Jan 6, 2010 | ↑ | Miyazaki (JPN) |
| 2010 | Marathon | 2:27:19 | - | Jan 31, 2010 | ↑ | Osaka (JPN) |
| 2009 | Semi | 1:15:17 | - | Oct 10, 2009 | ↑ | Baltimore, MD (USA) |
| 2008 | Marathon | 2:43:12 | - | Jan 27, 2008 | ↑ | Osaka (JPN) |
| 2007 | 3000m | 9:35.10 | - | Apr 30, 2007 | ↓ | Yokohama (JPN) |
| 2007 | 10000m | 34:23.07 | - | Jun 29, 2007 | ↓ | Japanese Championships |
| 2007 | Semi | 1:13:51 | - | Jul 8, 2007 | ↑ | Sapporo (JPN) |
| 2006 | 3000m | 9:44.30 | - | Jun 3, 2006 | ↓ | Sapporo (JPN) |
| 2006 | 5000m | 16:26.87 | - | Jun 13, 2006 | ↓ | Abashiri (JPN) |
| 2006 | 10000m | 32:34.76 | - | Oct 1, 2006 | ↓ | Oita (JPN) |
| 2006 | 10Kilometr | 34:40 | - | Aug 5, 2006 | ↓ | Cape Elizabeth, ME (USA) |
| 2006 | Semi | 1:11:00 | - | Jan 7, 2006 | ↑ | Virginia Beach, VA (USA) |
| 2006 | Marathon | 2:25:52 | - | Jan 29, 2006 | ↑ | Osaka (JPN) |
| 2005 | 5000m | 16:51.05 | - | Jun 19, 2005 | ↓ | Abashiri (JPN) |
| 2005 | 10000m | 32:58.68 | - | Sep 25, 2005 | ↓ | Marugame (JPN) |
| 2005 | 10Kilometr | 34:43 | - | Aug 20, 2005 | ↓ | Minneapolis, MN (USA) |
| 2005 | Semi | 1:14:18 | - | Nov 7, 2005 | ↑ | Virginia Beach, VA (USA) |
| 2004 | 3000m | 9:23.35 | - | Jun 26, 2004 | ↓ | Shibetsu (JPN) |
| 2004 | 10000m | 32:32.36 | - | Sep 25, 2004 | ↓ | Niigata (JPN) |
| 2004 | 10Kilometr | 34:08 | - | Aug 1, 2004 | ↓ | Cape Elizabeth, ME (USA) |
| 2004 | Semi | 1:10:20 | - | Jan 6, 2004 | ↑ | Miyazaki (JPN) |
| 2004 | Marathon | 2:39:11 | - | Jan 25, 2004 | ↑ | Osaka (JPN) |
| 2003 | 5000m | 16:35.25 | - | May 24, 2003 | ↓ | Nobeoka (JPN) |
| 2003 | 10000m | 33:24.29 | - | Jun 25, 2003 | ↓ | Fukagawa (JPN) |
| 2003 | 10Kilometr | 33:55 | - | Aug 2, 2003 | ↓ | Cape Elizabeth, ME (USA) |
| 2003 | Semi | 1:11:41 | - | Jan 6, 2003 | ↑ | Miyazaki (JPN) |
| 2002 | 10Kilometr | 34:50 | - | Apr 28, 2002 | ↓ | Cleveland, OH (USA) |
| 2002 | 12Kilometr | 41:48 | - | May 5, 2002 | - | Spokane, WA (USA) |
| 2002 | Semi | 1:11:52 | - | Jan 6, 2002 | ↑ | Miyazaki (JPN) |
| 2002 | Marathon | 2:28:15 | - | Oct 13, 2002 | ↑ | Chicago Marathon |
| 2001 | 10Kilometr | 34:31 | - | Aug 4, 2001 | ↓ | Cape Elizabeth, ME (USA) |
| 2001 | 10MilesRoa | 56:31 | - | Aug 25, 2001 | - | Flint, MI (USA) |
| 2001 | Semi | 1:11:05 | - | Jan 6, 2001 | ↑ | Miyazaki (JPN) |
| 2001 | Marathon | 2:32:14 | - | Jan 28, 2001 | ↑ | Osaka (JPN) |
| 2000 | 10Kilometr | 33:45 | - | Dec 3, 2000 | ↓ | Okayama (JPN) |
| 2000 | Semi | 1:12:43 | - | Jan 6, 2000 | ↑ | Miyazaki (JPN) |
| 2000 | Marathon | 2:25:14 | - | Jan 30, 2000 | ↑ | Osaka (JPN) |
| 1999 | 5000m | 16:10.58 | - | May 3, 1999 | ↓ | Shizuoka (JPN) |
| 1999 | 10000m | 33:09.04 | - | May 15, 1999 | ↓ | Hiratsuka (JPN) |
| 1999 | 10Kilometr | 33:12 | - | Aug 7, 1999 | ↓ | Cape Elizabeth, ME (USA) |
| 1999 | Semi | 1:11:56 | - | Jan 6, 1999 | ↑ | Miyazaki (JPN) |
| 1999 | Marathon | 2:26:18 | - | Jan 31, 1999 | ↑ | Osaka (JPN) |
| 1998 | 10000m | 33:05.81 | - | May 16, 1998 | ↓ | Sendai (JPN) |
| 1998 | Semi | 1:13:48 | - | Jan 6, 1998 | ↑ | Miyazaki (JPN) |
| 1998 | Marathon | 2:28:39 | - | Oct 11, 1998 | ↑ | Chicago Marathon |
| 1997 | Semi | 1:13:31 | - | Dec 7, 1997 | ↑ | Okayama (JPN) |
| 1997 | Marathon | 2:27:27 | - | Sep 28, 1997 | ↑ | Berlin (GER) |
| 1996 | Marathon | 2:37:10 | - | Nov 17, 1996 | ↑ | Tokyo (JPN) |
2010
3 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:40:28 | - | Mar 21 | Roma Marathon, Roma |
Marathon | 2:27:19 | - | Jan 31 | Osaka International Ladies Marathon, Osaka |
Semi | 1:12:20 | - | Jan 6 | Miyazaki Women's Half Marathon, Miyazaki |
2009
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:15:17 | - | Oct 10 | Baltimore Half Marathon, Baltimore, MD |
Semi | 1:18:25 | - | Jul 5 | Sapporo Half Marathon, Sapporo |
2008
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:43:12 | - | Jan 27 | Osaka International Ladies Marathon, Osaka |
2007
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:14:36 | - | Sep 2 | Virginia Beach Rock 'n' Roll Half Marathon, Virginia Beach, VA |
Semi | 1:13:51 | - | Jul 8 | Sapporo Half Marathon, Sapporo |
10000m | 34:23.07 | - | Jun 29 | Japanese Championships |
3000m | 9:35.10 | - | Apr 30 | Yokohama |
2006
12 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:30:38 | - | Dec 9 | Doha Asian Games, Doha |
Semi | 1:14:46 | - | Oct 8 | San Jose Rock’n’Roll Half Marathon, San José |
10000m | 32:34.76 | - | Oct 1 | Oita All-Japan Corporate Team Championships, Oita |
Semi | 1:13:43 | - | Sep 3 | Virginia Beach Rock ’n’ Roll Half Marathon, Virginia Beach, VA |
10Kilometr | 34:40 | - | Aug 5 | Cape Elizabeth Beach to Beacon, Cape Elizabeth, ME |
10000m | 34:32.07 | - | Jun 30 | Japanese Championships, Kobe |
5000m | 16:26.87 | - | Jun 13 | Abashiri Hokuren Distance Challenge, Abashiri |
10000m | 34:45.58 | - | Jun 7 | Fukagawa Hokuren Distance Challenge, Fukagawa |
3000m | 9:44.30 | - | Jun 3 | Sapporo Hokuren Distance Challenge, Sapporo |
10000m | 34:21.00 | - | May 27 | Hachioji |
Marathon | 2:25:52 | - | Jan 29 | Osaka International Ladies Marathon, Osaka |
Semi | 1:11:00 | - | Jan 7 | Miyazaki Half Marathon, Miyazaki |
2005
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:14:18 | - | Nov 7 | Kobe Half Marathon, Kobe |
10000m | 32:58.68 | - | Sep 25 | Marugame Japanese Corporate Ch., Marugame |
Semi | 1:14:18 | - | Sep 4 | Virginia Beach Rock'n'Roll Half Marathon, Virginia Beach, VA |
10Kilometr | 34:43 | - | Aug 20 | Minneapolis Guidant Heart of Summer 10-K, Minneapolis, MN |
10000m | 34:15.96 | - | Jun 29 | Fukagawa Hokuren Distance Challenge, Fukagawa |
5000m | 16:51.05 | - | Jun 19 | Abashiri Hokuren Distance Challenge, Abashiri |
2004
10 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:13:48 | - | Dec 23 | Okayama Sanyo Women's Half Marathon, Okayama |
Marathon | 2:40:56 | - | Nov 21 | Tokyo International Women's Marathon |
10000m | 32:32.36 | - | Sep 25 | Niigata Japanese Corporate Team Championships, Niigata |
Semi | 1:17:49 | - | Sep 5 | Virginia Beach Half Marathon, Virginia Beach, VA |
10Kilometr | 34:08 | - | Aug 1 | Cape Elizabeth Peoples Beach to Beacon, Cape Elizabeth, ME |
10000m | 32:54.79 | - | Jun 30 | Fukagawa |
3000m | 9:23.35 | - | Jun 26 | Shibetsu |
Marathon | 2:42:59 | - | Apr 4 | Paris International Marathon |
Marathon | 2:39:11 | - | Jan 25 | Osaka International Ladies Marathon, Osaka |
Semi | 1:10:20 | - | Jan 6 | Miyazaki Half Marathon, Miyazaki |
2003
10 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:12:05 | - | Sep 21 | Philadelphia Half Marathon, Philadelphia, PA |
Semi | 1:12:39 | - | Aug 31 | Virginia Beach Half Marathon, Virginia Beach, VA |
Semi | 1:14:41 | - | Aug 17 | San Diego America's Finest City Half Marathon, San Diego, CA |
10Kilometr | 33:55 | - | Aug 2 | Cape Elizabeth Beach to Beacon, Cape Elizabeth, ME |
5000m | 16:47.99 | - | Jul 2 | Sapporo |
10000m | 33:24.29 | - | Jun 25 | Fukagawa |
5000m | 16:39.62 | - | Jun 18 | Kushiro |
5000m | 16:35.25 | - | May 24 | Nobeoka Golden Games, Nobeoka |
10000m | 34:11.55 | - | Apr 20 | Kobe Hyogo Relays, Kobe |
Semi | 1:11:41 | - | Jan 6 | Miyazaki Half Marathon, Miyazaki |
2002
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:28:15 | - | Oct 13 | Chicago Marathon |
Semi | 1:17:11 | - | Sep 15 | Philadelphia Half Marathon, Philadelphia, PA |
Showing 1 - 50 of 87
Honours
🥉
2006Doha Asian Games
Marathon
7
2002Chicago Marathon
Marathon
6
2001Chicago Marathon
Marathon
5
2000Chicago Marathon
Marathon
8
1999IAAF World Championships
Marathon
4
1998Chicago Marathon
Marathon
FAQ
Frequently asked questions
What is Kayoko Obata's Marathon personal best?
Kayoko Obata's Marathon personal best is 2:25:14, set on Jan 30, 2000 in Osaka (JPN), #529 on the all-time list.
Which events does Kayoko Obata compete in?
Kayoko Obata competes in the Marathon and Half Marathon.
How did Kayoko Obata perform in 2010?
2010 season best: 2:27:19, set on Jan 31, 2010 in Osaka (JPN).