| PR | Name | Time |
Finish |
Meet Name |
Location |
Date |
media |
| Allen Boyd-Morrison | 1:09.60 | 1 | | Texas | August 11, 2009 | |
| John (JC) Shenk | 1:07.81 | 6 | National Senior Games | Palo Alto, California | August 6, 2009 | |
 | TJ McDonough | 54.05 | 4 | Keystone Games | York, PA | July 26, 2009 | |
| Mark Muller | | 2 | Puget Sound Senior Games | Tumwater, WA | July 25, 2009 | |
| Gregory Olenginski | 55.05 | 1 | Penn State Camp Meet | University Park, Pennsylvania | July 21, 2009 | |
| Alex DiFelice | 1:03.07 | 7 | USATF New England Final | Fitchburg, MA | July 20, 2009 | |
| Andreas Hille | 50.88 | 1 | Norddeutsche Meisterschaften | Lübeck, Schleswig-Holstein | July 20, 2009 | |
| Jeff Napala | 47.33 | 5 | Asian Community Games | Toronto, Ontario | July 18, 2009 | |
| Maureen McCulligh | 1:01.30 | | BC Club Provincials | Abbotsford, BC | July 11, 2009 | |
| Alex DiFelice | 1:03.07 | 8 | Bay State Games Finals | Boston, MA | July 11, 2009 | |
| Jon Colletti | 55.50 | 5 | USATF Masters Outdoor Nationals | Oshkosh, WI | July 10, 2009 | |
| Maureen McCulligh | 1:01.57 | | BC Club Provincials | Abbotsford, BC | July 10, 2009 | |
| John (JC) Shenk | 1:07.65 | 4 | National Master's Track Championship | Oshkosh, Wisconsin | July 10, 2009 | |
| Allen Boyd-Morrison | 1:08.82 | 1 | | Texas | July 4, 2009 | |
| Alan O'Brien | 55.13 | 4 | Dublin Graded Meet 400 'B' | Dublin | July 1, 2009 | |
| Maureen McCulligh | 1:00.96 | | Comox Valley Cougars Meet | Courtenay, BC | June 28, 2009 | |
| Patrick Moakley | 49.05 | 3 | NC USATF Junior Olympics | Greensboro, North Carolina | June 28, 2009 | |
| Megan Broussard | 1:06.00 | | NOTC All Comers Track Meet | New Orleans, LA | June 26, 2009 | |
| Andreas Hille | 51.15 | 14 | Berliner Meisterschaften | Berlin | June 20, 2009 | |
| Alex DiFelice | 1:03.00 | 2 | Bay State Games Qualifier Fitchburg | Fitchburg, MA | June 19, 2009 | |
| Maureen McCulligh | 1:00.76 | | George Dean Memorial | Duncan, BC | June 13, 2009 | |
| Adrianna Royal | 1:06.00 | 2 | Portland Track Festival | Portland, Oregon | June 13, 2009 | |
| Ian Manson | 54.11 | 1 | Usatf San Diego/Imperial Championship | Escondido, California | June 13, 2009 | |
| Mark Muller | 56.51 | 3 | Oly Bears All-Comers | Olympia, WA | June 10, 2009 | |
| Mark Hewitt | 53.04 | 10 | Tuesday Night Speed Running | New York, New York | June 9, 2009 | |
| Jeff Homer | 49.71 | 3 | New Balance Series Finale | Calgary, AB | June 7, 2009 | |
| Malik Crossdale | 52.60 | 3 | Junior Olympic District Qualifer | White Plains, New York | June 7, 2009 | |
| Jon Colletti | 56.97 | 1 | So Cal USATF Masters Champ | Aliso Viejo, CA | June 6, 2009 | |
| Vanessa Leigh | 1:00.89 | 12 | MIAA Central Track And Field Tournament | Fitchburg, MA | May 30, 2009 | |
| Sarah Zimmerman | 1:17.83 | 2 | MS League Meet | Bainbridge Island, Wa | May 28, 2009 | |
| Ricardo Salido | 56:00.00 | 5 | 2009 League Pre Lims | San Diego, California | May 27, 2009 | |
| Emily Kelly | 1:06.00 | 5 | NCCC | Ellington, Connecticut | May 26, 2009 | |
| Brendan Robert | 49.90 | | PIAA State Championships 2009 | Ship University, PA | May 23, 2009 | |
| Alex Freedman | 59.18 | | Workout | Hills East Track, NY | May 22, 2009 | |
| AJ Mangoba | 51.74 | 6 | Palomar League Finals | Poway, California | May 22, 2009 | |
| Sarah Zimmerman | 1:18.18 | 4 | @ Hawkins#2 | North Mason, Wa | May 21, 2009 | |
| Kevin Dibbern | 47.77 | 1 | State Co-Ed Track And Field | Des Moines, IA | May 21, 2009 | |
| Sara Stoakes | 56.08 | 1 | Iowa State Track Meet | Des Moines, Iowa | May 21, 2009 | |
| Jeff Napala | 57.23 | 11 | TDCAA Track & Field Championships | Toronto, Ontario | May 19, 2009 | |
| Matthew G | 1:03.00 | | | | May 17, 2009 | |
