Time |
Date |
Name |
Team |
Meet |
46.50
|
March 10, 2018 |
Michael Andrew |
MA Swim Academy |
Speedo Champions Series - Columbia |
47.33
|
Dec. 11, 2015 |
Michael Andrew |
MA Swim Academy |
Speedo Winter Junior Championships - West |
47.83
|
March 21, 2014 |
Michael Andrew |
MA Swim Academy |
NCSA Junior National Championships - Boys |
48.10
|
March 2, 2014 |
Michael Andrew |
MA Swim Academy |
Speedo Champions Series - College Station, TX |
48.68
|
Dec. 13, 2013 |
Michael Andrew |
MA Swim Academy |
Speedo Winter Junior National Championships |
50.27
|
Dec. 22, 2012 |
Thomas Anderson |
College Area Swim Team |
SI Winter Age Group Championships |
50.69
|
Dec. 21, 2012 |
Thomas Anderson |
College Area Swim Team |
SI Winter Age Group Championships |
51.65
|
Dec. 9, 2011 |
Mickey Mackle |
Rancho San Dieguito |
Speedo Junior National Championships |
51.72
|
March 11, 2004 |
Eddie Erazo |
Pacific Swim |
Speedo CA-NV Spring Sectionals |