JC
John Cassleman

John Cassleman

USAUSAMen
Birth dateAug 16, 1984
Height-
Weight-

John Cassleman is a United States sprinter, born on August 16, 1984. He competes primarily in the 400m, 800m and 400mH.

His personal bests include 47.50 in the 400m, 1:54.20 in the 800m, 49.53 in the 400mH, 1:56.54 in the 800m-short-track and 48.26 in the 400m-short-track. He is currently active on the international athletics circuit, representing United States.

Key facts
400 m hurdles
49.53
#665 all-time
2007 season best
50.82
May 13, 2007 · Palo Alto, CA (USA)
2007 season best
Age
42 years old

As of Sep 13, 2026: 400 m hurdles 49.53 (#665 all-time), 2007 season best 50.82 (May 13, 2007, Palo Alto, CA (USA)) · 42 years old

PB

Personal bests

47.50
1:54.20
49.53
#665 all-time
1:56.54
48.26

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2007
400m
48.04-Apr 21, 2007
↑
Pullman, WA (USA)
2007
400mH
50.82-May 13, 2007
↑
Palo Alto, CA (USA)
2006
400m
47.50-Apr 22, 2006
↑
Pullman, WA (USA)
2006
400m-short-track
48.26-Feb 11, 2006
↑
Nampa, ID (USA) (i)
2006
400mH
49.53-May 14, 2006
↑
Eugene, OR (USA)
2006
800m
1:54.22-Feb 17, 2006
↓
Moscow, ID (USA) (i)
2006
800m-short-track
1:56.54-Jan 21, 2006-Pullman, WA (USA) (i)
2005
400m
48.06-Mar 19, 2005
↑
Tucson, AZ (USA)
2005
400m-short-track
48.52-Feb 5, 2005
↑
Lincoln, NE (USA) (i)
2005
400mH
50.50-May 15, 2005
↑
Westwood, CA (USA)
2005
800m
1:54.20-Apr 2, 2005
↓
Pullman, WA (USA)
2004
400m
48.13-Feb 14, 2004
↑
Seattle, WA (USA) (i)
2004
400m-short-track
49.81-Feb 7, 2004
↑
Lincoln, NE (USA) (i)
2004
400mH
52.71-May 14, 2004
↑
Tucson, AZ (USA)

2007

11 performances
DisciplineResultWindDateCompetitions
400mH
51.91-Jun 8Sacramento NCAA Div. I Championships, Sacramento, CA
400mH
51.88-Jun 7Sacramento NCAA Div. I Championships, Sacramento, CA
400mH
51.10-May 26Eugene NCAA West Regional Championships, Eugene, OR
400mH
51.28-May 25Eugene NCAA West Regional Championships, Eugene, OR
400mH
50.82-May 13Stanford Pac-10 Conference Championships, Palo Alto, CA
400mH
51.53-May 12Stanford Pac-10 Conference Championships, Palo Alto, CA
400mH
52.18-Apr 27Seattle UW-WSU Dual, Seattle, WA
400m
48.04-Apr 21Pullman Cougar Invitational, Pullman, WA
400mH
52.55-Apr 5Austin Texas Relays, Austin, TX
400mH
53.95-Mar 24Los Angeles Trojan Invitational, Los Angeles, CA
400mH
52.78-Mar 17Tempe Baldy Castillo Invitational, Tempe, AZ

2006

18 performances
DisciplineResultWindDateCompetitions
400mH
51.62-Jun 22US Championships, Indianapolis, IN
400mH
49.55-Jun 10Sacramento NCAA Div. I Championships, Sacramento, CA
400mH
49.77-Jun 9Sacramento NCAA Div. I Championships
400mH
50.74-Jun 8Sacramento NCAA Div. I Championships, Sacramento, CA
400mH
51.06-May 27Provo NCAA West Regional Championships, Provo, UT
400mH
51.26-May 27Provo NCAA West Regional Championships, Provo, UT
400mH
49.53-May 14Eugene PAC-10 Ch., Eugene, OR
400mH
51.98-May 13Eugene PAC-10 Ch., Eugene, OR
400mH
50.28-Apr 29Seattle Washington State Dual Meet, Seattle, WA
400m
47.50-Apr 22Pullman Cougar Invitational, Pullman, WA
400mH
52.24-Apr 14Walnut Mt. SAC Relays OD, Walnut, CA
400mH
51.41-Apr 8Austin Texas Relays University, Austin, TX
400mH
52.50-Mar 25Los Angeles Trojan Invitational, Los Angeles, CA
400mH
51.83-Mar 17Tucson Willie Williams Classic, Tucson, AZ
800m
1:54.22-Feb 17Moscow Vandal Indoor, Moscow, ID (i)
400m-short-track
48.26-Feb 11Nampa Holiday Inn, Nampa, ID (i)
400m-short-track
49.61-Jan 28Pullman Cougar Indoor Invitational, Pullman, WA (i)
800m-short-track
1:56.54-Jan 21Pullman WSU Indoor Open, Pullman, WA (i)

2005

18 performances
DisciplineResultWindDateCompetitions
400mH
51.33-Jun 9Sacramento NCAA Championships, Sacramento, CA
400mH
50.93-May 28Eugene NCAA West Regional Championships, Eugene, OR
400mH
51.36-May 27Eugene NCAA West Regional Championships, Eugene, OR
400mH
50.50-May 15Westwood PAC-10 Ch., Westwood, CA
400mH
52.21-May 14Westwood PAC-10 Ch., Westwood, CA
400mH
51.16-Apr 30Seattle UW-WSU Dual Meet, Seattle, WA
400mH
51.91-Apr 23Pullman Cougar Invitational, Pullman, WA
400mH
51.54-Apr 17Walnut Mt. SAC Relays University/Open, Walnut, CA
400mH
52.46-Apr 9Berkeley Brutus Hamilton Invitational, Berkeley, CA
800m
1:54.20-Apr 2Washington WSU Open, Pullman, WA
400mH
52.64-Mar 26Stanford Invitational, Palo Alto, CA
400m
48.06-Mar 19Tucson Willie Williams Classic, Tucson, AZ
400mH
52.31-Mar 18Tucson Willie Williams Classic, Tucson, AZ
400m
48.06-Feb 25Seattle Mountain Pacific Indoor Championships, Seattle, WA (i)
400m
49.08-Feb 18Moscow Vandal Indoor Meeting, Moscow, ID (i)
400m-short-track
48.52-Feb 5Lincoln Frank Sevigne Husker Invitational, Lincoln, NE (i)
400m-short-track
48.84-Feb 4Lincoln Frank Sevigne Husker Invitational, Lincoln, NE (i)
400m-short-track
49.09-Jan 29Pullman Cougar Indoor, Pullman, WA (i)

2004

3 performances
DisciplineResultWindDateCompetitions
400mH
52.71-May 14Tucson Pac 10 Conference Championships, Tucson, AZ
400mH
53.98-May 8Moscow McDonald's Outdoor, Moscow, ID
400mH
52.91-May 1Pullman Washington Dual Meet, Pullman, WA
Showing 1 - 50 of 53

Honours

No medals

FAQ

Frequently asked questions

What is John Cassleman's 400 m hurdles personal best?

John Cassleman's 400 m hurdles personal best is 49.53, set on May 14, 2006 in Eugene, OR (USA), #665 on the all-time list.

Which events does John Cassleman compete in?

John Cassleman competes in the 400 m hurdles.

How did John Cassleman perform in 2007?

2007 season best: 50.82, set on May 13, 2007 in Palo Alto, CA (USA).