| PR | Name | Time |
Finish |
Meet Name |
Location |
Date |
media |
 | Thurman Sanders | 3:59.00 | 3 | MEAC Championship | Baltimore, MD | June 7, 2009 | |
| Carsten Krüger | 4:02.47 | 1 | Hamburger Landesmeisterschaften | Hamburg | June 7, 2009 | |
| Sebastian Reinwand | 3:52.91 | 4 | Regensburg Gala | Regensburg | June 7, 2009 | |
| Christopher Garrett | 4:14.52 | 9 | Mile Stat Elite Gala | Richmond, VA | June 6, 2009 | |
| Giovanni Signoretti | 4:04.78 | 18 | Boston Twilight Series | Boston, MA. | June 6, 2009 | |
| Andrew Nguyen | 5:00.00 | 22 | Mile Stat Gala | Richmond, Virginia | June 6, 2009 | |
| Anthony Noegel | 4:26.45 | 15 | Milestat Elite Track Gala | VA | June 6, 2009 | |
| Matt Miller#2 | 4:01.00 | | Jim Bush Invitational | Walnut, CA | June 6, 2009 | |
| Daniel Everett | 4:13.46 | 5 | Great Southwest Track And Field Classic | Albuquerque, New Mexico | June 6, 2009 | |
| Emily Steves | 4:54.90 | 2 | Sectionals 2009 | Pioneer, New York | June 6, 2009 | |
| Rowena Tam | 4:33.60 | 2 | Jim Bush | Mt. SAC, CA | June 6, 2009 | |
| Luke Embry | 5:25.33 | 6 | Missouri Valley State | Kansas City, Kansas | June 6, 2009 | |
| Zack Sanchez | 4:34.00 | 9 | BRR Open Track Meet | Boulder, CO | June 4, 2009 | |
| Sean Bowen | 4:15.00 | | London Runner 1500m Night | London, ON | June 4, 2009 | |
| Adrianna Royal | 5:13.00 | 2 | Shoreline All Comers Meet | Shoreline, WA | June 3, 2009 | |
| Tobias Singer | 4:19.00 | 13 | Pfingstsportfest | Berlin | May 31, 2009 | |
| Aidan Goltra | 4:41.00 | 3 | Modesto | Modesto, CA | May 31, 2009 | |
| Richiii Aldee | 4:06.75 | 2 | Pfingstsportfest | Berlin, Berlin | May 31, 2009 | |
| Carsten Krüger | 4:01.78 | 3 | Internationales Pfingstsportfest | Berlin | May 31, 2009 | |
| Leonel Manzano | 3:34.14 | | Reebok Grand Prix | New York, New York | May 30, 2009 | |
| Connor McCarthy | 4:33.88 | 2 | Central Valley Sectional | Central Valley, California | May 30, 2009 | |
| Nicholas Costello | 4:36.53 | 1 | Uagtca Championship | Willingboro, Nj | May 30, 2009 | |
| Zach Smith | 4:29.64 | 1 | USATF UNLV Meet | Las Vegas, NV | May 30, 2009 | |
| Matt DeVries | 4:30.02 | 3 | Central Valley Section | CA | May 30, 2009 | |
| Marie Schofer | 4:22.87 | 3 | American Miler Series | Indianapolis, Indiana | May 30, 2009 | |
| Adler Faulkner | 4:43.38 | 4 | Central Valley Roadrunners Sectional | Modesto, CA | May 30, 2009 | |
| Emily Steves | 5:02.51 | 2 | CCAA Championships | Jamestown, New York | May 30, 2009 | |
| Sebastian Reinwand | 3:56.22 | 11 | Pfingstsportfest München | München | May 29, 2009 | |
| Ryley Miller | 3:48.62 | 5 | NCAA East Region Championships | Greensboro, NC | May 29, 2009 | |
| Kory Cool | 4:09.75 | 2 | ESU Twilight | Emporia, KS | May 26, 2009 | |
| Konner Cool | 4:54.30 | 5 | Empria (twilight Meet) | Emporia, Ks | May 26, 2009 | |
| Rowena Tam | 4:41.63 | 1 | PA Championships | San Mateo, CA | May 24, 2009 | |
| Brian Vinci | 3:57.56 | | New Balance Twilight Series | Waltham, MA | May 23, 2009 | |
| John Darmody | 3:50.12 | 6 | NAIA Outdoor National Championships | Edwardsville, IL | May 23, 2009 | |
| Sergio Lobos | 3:56.00 | 3 | Nacional Universitario | Santiago | May 23, 2009 | |
| Louie Cook | 4:06.79 | 1 | MIDWAY TIME TRIAL | WACO, TEXAS | May 23, 2009 | |
| Brian Kennedy | 4:01.57 | 19 | Boston High Performance | Waltham, MA | May 23, 2009 | |
| Courtney Mortimer | 4:56.00 | | New Balance Twilight Series | Waltham, Ma | May 23, 2009 | |
| Philip Mainwaring | 4:00.54 | 3 | New Balance Boston Twilight Meet | Waltham, Ma | May 23, 2009 | |
| Daniel Grant | 4:04.34 | | Boston Twilight Series #1 | Waltham, Massachusetts | May 23, 2009 | |
