London Costen

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London Costen is a United States sprinter. He competes primarily in the 400m, 400m and 4x400m.

His personal bests include 46.17 in the 400m, 46.77 in the 400m, 3:03.68 in the 4x400m, 3:06.18 in the 4x400Metre and 3:06.18 in the 4x400Metre. He is currently active on the international athletics circuit, representing United States.

Key facts

400 Metres Short Track

46.77

2026 season best

46.77

Jan 10, 2026 · Clemson Indoor Track & Field Complex, Clemson, SC (USA)

2026 season best

Last competition

NCAA Division I Outdoor Track and Field Championships

Jun 10, 2026 · 2:57.93

NCAA Division I Outdoor Track and Field Championships

As of Oct 2, 2026: 400 Metres Short Track 46.77, 2026 season best 46.77 (Jan 10, 2026, Clemson Indoor Track & Field Complex, Clemson, SC (USA)) · Last competition: NCAA Division I Outdoor Track and Field Championships, Jun 10, 2026, 2:57.93

Personal bests

400m

46.17

400mi

46.77

4x400m

3:03.68

4x400Metrei

3:06.18

4x400Metre

3:06.18

400m-short-track

46.77

400m-short-tracki

46.77

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	400m	46.17	-	Mar 27, 2026	↑	-
2026	400mi	46.17	-	Mar 27, 2026	↑	Clemson Indoor Track & Field Complex, Clemson, SC (USA) (i)
2026	400m-short-track	46.77	-	Jan 10, 2026	↑	Clemson Invitational
2026	400m-short-tracki	47.15	-	Feb 13, 2026	↑	Clemson Tiger Paw Invitational, Clemson Indoor Track & Field Complex, Clemson, SC (i)
2026	4x400Metre	3:06.18	-	Jan 24, 2026	↑	Dr. Martin Luther King Jr. Invitational
2026	4x400Metrei	3:06.18	-	Jan 24, 2026	↑	Dr. Martin Luther King Jr. Invitational
2025	400m	46.82	-	May 3, 2025	↑	LSU Invitational, LSU Bernie Moore Stadium, Baton Rouge, LA
2025	400m-short-tracki	47.64	-	Jan 25, 2025	↑	Texas A&M Ted Nelson Invitational
2025	4x400m	3:03.68	-	Apr 19, 2025	-	Tom Jones Memorial, Percy Beard Track, Gainesville, FL - Olympic Development
2025	4x400Metrei	3:12.76	-	Jan 25, 2025	↑	Texas A&M Ted Nelson Invitational
2023	400m	47.32	-	Mar 31, 2023	↑	Pepsi Florida Relays, Percy Beard Track, Gainesville, FL - Olympic Development
2022	400m	48.81	-	Apr 9, 2022	↑	IMG Academy, Bradenton, FL (USA)
2021	400m	50.00	-	Jul 31, 2021	↑	University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA)

Discipline	Result	Wind	Date	Competitions
4x400m	2:57.93	-	Jun 10	NCAA Division I Outdoor Track and Field Championships
4x400m	3:00.88	-	Jun 10	NCAA Division I Outdoor Track and Field Championships
4x400m	2:59.75	-	May 27	NCAA Division I East First Rounds, Un. of Kentucky Outdoor Track Facility, Lexington, KY
400m	46.66	-	May 14	Southeastern Conference Outdoor Track & Field Championships, Hutsell-Rosen Track, Auburn, AL
400m	46.19	-	May 1	Torrin Lawrence Memorial
4x400m	3:01.15	-	Apr 9	Spec Towns Invitational
400m	46.17	-	Mar 27	Hurricane Collegiate Invitational
400m-short-tracki	DNF	-	Feb 26	Southeastern Conference Indoor Track & Field Championship
400m-short-tracki	47.15	-	Feb 13	Clemson Tiger Paw Invitational, Clemson Indoor Track & Field Complex, Clemson, SC (i)
4x400Metre	3:06.18	-	Jan 24	Dr. Martin Luther King Jr. Invitational
4x400Metre	3:06.18	-	Jan 23	Dr. Martin Luther King Jr. Invitational
400m-short-track	46.77	-	Jan 10	Clemson Invitational

Discipline	Result	Wind	Date	Competitions
400m	47.77	-	May 16	Southeastern Conference Outdoor Track & Field Championships
400m	47.77	-	May 15	Southeastern Conference Outdoor Track & Field Championships
400m	46.82	-	May 3	LSU Invitational, LSU Bernie Moore Stadium, Baton Rouge, LA
400m	46.87	-	Apr 26	Tiger Track Classic, Hutsell-Rosen Track, Auburn, AL
4x400m	3:03.68	-	Apr 19	Tom Jones Memorial, Percy Beard Track, Gainesville, FL - Olympic Development
4x400m	3:03.68	-	Apr 18	Tom Jones Memorial, Percy Beard Track, Gainesville, FL - Olympic Development
4x400m	3:13.33	-	Mar 22	UCF Black & Gold Invite
400m	47.22	-	Mar 22	UCF Black & Gold Invite
4x400m	3:13.33	-	Mar 21	UCF Black & Gold Invite
400m	47.22	-	Mar 21	UCF Black & Gold Invite
4x400Metrei	3:12.76	-	Jan 25	Texas A&M Ted Nelson Invitational
400m-short-tracki	47.64	-	Jan 25	Texas A&M Ted Nelson Invitational
4x400Metrei	3:12.76	-	Jan 24	Texas A&M Ted Nelson Invitational
400m-short-tracki	47.64	-	Jan 24	Texas A&M Ted Nelson Invitational

Discipline	Result	Wind	Date	Competitions
400m	DNF	-	Mar 30	Pepsi Florida Relays

Discipline	Result	Wind	Date	Competitions
400m	47.32	-	Apr 1	Pepsi Florida Relays, Percy Beard Track, Gainesville, FL - Olympic Development
400m	47.32	-	Mar 31	Pepsi Florida Relays, Percy Beard Track, Gainesville, FL - Olympic Development

Discipline	Result	Wind	Date	Competitions
400m	48.81	-	Apr 9	IMG Academy Invitational, IMG Academy, Bradenton, FL - High School Events

Discipline	Result	Wind	Date	Competitions
400m	50.00	-	Jul 31	USATF National Junior Olympic Ch., University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL - U17 Events

FAQ

Frequently asked questions

What is London Costen's 400 Metres Short Track personal best?

London Costen's 400 Metres Short Track personal best is 46.77, set on Jan 10, 2026 in Clemson Indoor Track & Field Complex, Clemson, SC (USA).

Which events does London Costen compete in?

London Costen competes in the 400 Metres Short Track.

How did London Costen perform in 2026?

2026 season best: 46.77, set on Jan 10, 2026 in Clemson Indoor Track & Field Complex, Clemson, SC (USA). Last competition: NCAA Division I Outdoor Track and Field Championships on Jun 10, 2026, 2:57.93.

London Costen

Personal bests

Performance Charts

Season bests

2026

2025

2024

2023

2022

2021

Honours

No medals

Frequently asked questions