Ayumi Kobayashi

JPNWomen

Birth dateMar 25, 2001

Height-

Weight-

Ayumi Kobayashi is a Japan sprinter, born on March 25, 2001. She competes primarily in the 100m, 200m and 100mH.

Her personal bests include 11.83 in the 100m, 25.60 in the 200m, 13.09 in the 100mH, 1:02.08 in the 400mH and 45.67 in the 4x100m. She is currently active on the international athletics circuit, representing Japan.

Key facts

100 m hurdles

13.09

60 m hurdles

8.29

2026 season best

13.09

Jun 20, 2026 · Southwestern University Track Stadium, Georgetown, TX (USA)

2026 season best

Last competition

ATX Classic, Southwestern University Track Stadium, Georgetown, TX - National Events

Jun 20, 2026 · 13.09

ATX Classic, Southwestern University Track Stadium, Georgetown, TX - National Events

Age

25 years old

As of Sep 29, 2026: 100 m hurdles 13.09, 60 m hurdles 8.29, 2026 season best 13.09 (Jun 20, 2026, Southwestern University Track Stadium, Georgetown, TX (USA)) · Last competition: ATX Classic, Southwestern University Track Stadium, Georgetown, TX - National Events, Jun 20, 2026, 13.09 · 25 years old

Personal bests

11.83

25.60

13.09

1:02.08

4x100m

45.67

4x400m

3:50.17

60mH

8.29

60m

7.97

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	100m	12.82	+2.4	Apr 19, 2026	↓	36th Nara City Athletics Circuit - Day 1
2026	100mH	13.09	+1.5	Jun 20, 2026	↑	ATX Classic, Southwestern University Track Stadium, Georgetown, TX - National Events
2025	60mH	8.53	-	Feb 14, 2025	↓	Howie Ryan Invitational, Houston-Yeoman FH, Houston, TX (i)
2025	100mH	13.42	+1.8	Jun 13, 2025	↑	Last Chance Sprint Series Distance Carnival, Notre Dame HS, Sherman Oaks, CA
2024	60m	7.97	-	Feb 10, 2024	-	Don Kirby Elite Invitational
2024	60mH	8.49	-	Feb 24, 2024	↓	American Athletic Conference Indoor Track & Field Championships
2024	100m	13.00	+1.0	Nov 3, 2024	↓	Day seven , the 34th Nara City Athletics Circuit, Konoike Athletics Stadium, Nara
2024	100mH	13.29	+2.5	May 25, 2024	↑	NCAA Division I West First Rounds, John McDonnell Field, Fayetteville, AR
2023	60mH	8.87	-	Feb 18, 2023	↓	2023 Conference USA Indoor Track & Field Championships
2023	100mH	13.98	+2.5	May 13, 2023	↑	Conference USA Outdoor Track & Field Championships
2021	60mH	8.71	-	Mar 17, 2021	↓	104th Japan Indoor Championships
2021	100m	12.42	+0.4	Apr 3, 2021	↓	University Stadium, Tsukuba (JPN)
2021	100mH	13.19	+4.2	May 21, 2021	↑	Gion Stadium, Sagamihara (JPN)
2020	100m	12.36	+1.7	Aug 13, 2020	↓	University Stadium, Tsukuba (JPN)
2020	100mH	13.29	+3.7	Aug 29, 2020	↑	Prefectural Stadium, Fukui (JPN)
2020	4x100m	45.67	-	Sep 11, 2020	↑	Denka Big Swan Stadium, Niigata (JPN)
2020	4x400m	3:50.17	-	Sep 12, 2020	-	Denka Big Swan Stadium, Niigata (JPN)
2019	60mH	8.29	-	Feb 3, 2019	↓	Osaka (JPN) (i)
2019	100mH	13.25	+2.6	May 24, 2019	↑	Sagamihara (JPN)
2019	4x100m	46.85	-	Jul 27, 2019	↑	Hiratsuka (JPN)
2018	100m	11.83	+1.9	May 18, 2018	↓	Chiba (JPN)
2018	100mH	13.13	+2.5	Oct 8, 2018	↑	Fukui (JPN)
2018	200m	25.60	-2.1	Apr 15, 2018	-	Chiba (JPN)
2018	4x100m	46.37	-	Oct 8, 2018	↑	Fukui (JPN)
2018	400mH	1:02.08	-	Apr 29, 2018	-	Chiba (JPN)

Discipline	Result	Wind	Date	Competitions
100mH	13.09	+1.5	Jun 20	ATX Classic, Southwestern University Track Stadium, Georgetown, TX - National Events
100mH	13.24	+2.3	Jun 20	ATX Classic, Southwestern University Track Stadium, Georgetown, TX - National Events
100mH	13.30	+2.0	May 8	Arkansas Twilight
100mH	13.74	+1.5	May 2	Texas A&M Alumni Muster, Cushing Stadium, College Station, TX
100m	12.82	+2.4	Apr 19	36th Nara City Athletics Circuit - Day 1
100mH	13.34	+3.0	Apr 11	44 Farms Team Invitational
100mH	13.34	+3.0	Apr 9	44 Farms Team Invitational
100mH	13.53	+2.4	Apr 4	Clyde Littlefield Texas Relays presented by Truist
100m	13.05	-1.6	Mar 29	Day 8 , the 35th Nara City Athletics Circuit
100m	13.05	-1.6	Mar 29	Day 8 , the 35th Nara City Athletics Circuit
100mH	13.53	+3.2	Mar 21	UTSA Invitational

Discipline	Result	Wind	Date	Competitions
100mH	13.81	+0.6	Jul 5	Japanese Championships, National Stadium, Tokyo
100mH	13.81	+0.6	Jul 4	Japanese Championships, National Stadium, Tokyo
100mH	13.55	-0.3	Jun 13	Last Chance Sprint Series Distance Carnival, Notre Dame HS, Sherman Oaks, CA
100mH	13.42	+1.8	Jun 13	Last Chance Sprint Series Distance Carnival, Notre Dame HS, Sherman Oaks, CA
100mH	13.45	+1.0	May 11	Cal State LA Very Last Chance Meet, Cal State LA Jesse Owens Track, Los Angeles, CA
100mH	13.45	-0.5	Apr 25	Texas Invitational
100mH	13.45	-0.5	Apr 24	Texas Invitational
100mH	13.76	-2.3	Apr 19	Mt. SAC Relays, Hilmer Lodge Stadium, Walnut, CA - Invitational Events
100mH	13.44	+4.2	Apr 12	44 Farms Team Invitational, Cushing Stadium, College Station, TX
100mH	13.49	+2.6	Mar 29	Clyde Littlefield Texas Relays presented by Truist
100mH	13.58	+2.8	Mar 22	Utsa Invitational
100mH	13.58	+2.8	Mar 21	Utsa Invitational
60mH	8.63	-	Feb 14	Howie Ryan Invitational, Houston-Yeoman FH, Houston, TX (i)
60mH	8.53	-	Feb 14	Howie Ryan Invitational, Houston-Yeoman FH, Houston, TX (i)

Discipline	Result	Wind	Date	Competitions
100m	13.00	+1.0	Nov 3	Day seven , the 34th Nara City Athletics Circuit, Konoike Athletics Stadium, Nara
100mH	14.01	+0.6	Jun 29	Japanese Championships
100mH	14.01	+0.6	Jun 28	Japanese Championships
100mH	13.29	+2.5	May 25	NCAA Division I West First Rounds, John McDonnell Field, Fayetteville, AR
100mH	13.29	+2.5	May 24	NCAA Division I West First Rounds, John McDonnell Field, Fayetteville, AR
100mH	13.33	+1.0	May 24	NCAA Division I West First Rounds, John McDonnell Field, Fayetteville, AR
100mH	13.33	+1.0	May 23	NCAA Division I West First Rounds, John McDonnell Field, Fayetteville, AR
100mH	13.52	+1.1	May 12	American Athletic Conference Outdoor Track & Field Championships
100mH	13.57	+0.0	May 11	American Athletic Conference Outdoor Track & Field Championships
100mH	13.52	+1.1	May 10	American Athletic Conference Outdoor Track & Field Championships
100mH	13.57	-	May 10	American Athletic Conference Outdoor Track & Field Championships
100mH	13.41	+3.3	Apr 27	Texas Invitational
100mH	13.56	+2.4	Apr 13	Beach Invitational, Jack Rose Track, Long Beach, CA
100mH	13.43	+4.3	Apr 11	Pacific Coast Invitational, Jack Rose Track, Long Beach, CA
100mH	13.47	+2.9	Mar 29	Clyde Littlefield Texas Relays presented by Truist, Mike A. Myers Stadium, Austin, TX - Invitational Events
100mH	13.92	-0.9	Mar 23	Texas A&M Invitational, Cushing Stadium, College Station, TX
100mH	13.68	+2.4	Mar 16	UTSA Invitational, Park West Ath. Complex, San Antonio, TX
60mH	8.49	-	Feb 24	American Athletic Conference Indoor Track & Field Championships
60mH	8.51	-	Feb 24	American Athletic Conference Indoor Track & Field Championships
60mH	8.51	-	Feb 23	American Athletic Conference Indoor Track & Field Championships
60mH	8.60	-	Feb 10	Don Kirby Elite Invitational
60m	7.97	-	Feb 10	Don Kirby Elite Invitational
60mH	8.51	-	Feb 3	Texas A&M Charlie Thomas Invitational
60mH	8.53	-	Feb 3	Texas A&M Charlie Thomas Invitational
60mH	8.76	-	Jan 27	Robert Platt Invitational, Houston-Yeoman FH, Houston, TX (i)

FAQ

Frequently asked questions

What is Ayumi Kobayashi's 100 m hurdles personal best?

Ayumi Kobayashi's 100 m hurdles personal best is 13.09, set on Jun 20, 2026 in Southwestern University Track Stadium, Georgetown, TX (USA).

Which events does Ayumi Kobayashi compete in?

Ayumi Kobayashi competes in the 100 m hurdles and 60 m hurdles.

How did Ayumi Kobayashi perform in 2026?

2026 season best: 13.09, set on Jun 20, 2026 in Southwestern University Track Stadium, Georgetown, TX (USA). Last competition: ATX Classic, Southwestern University Track Stadium, Georgetown, TX - National Events on Jun 20, 2026, 13.09.

Ayumi Kobayashi

Personal bests

Performance Charts

Season bests

2026

2025

2024

Honours

No medals

Frequently asked questions