Sonja Oberem, née Krolik (born 24 February 1973 in Rheydt) is a German athlete, who specialized in the marathon races. In her younger days she was a successful triathlete.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1994 | Berlin Marathon | Berlin, Germany | 5th | Marathon | 2:26:53 | |
| 1995 | Gothenburg, Sweden | 8th | Marathon | 2:32:17 | ||
| 1996 | Boston Marathon | Boston, United States | 4th | Marathon | 2:29:24 | |
| Atlanta, United States | 8th | Marathon | 2:31:16 | |||
| 1997 | London Marathon | London, United Kingdom | 4th | Marathon | 2:28:02 | |
| Athens, Greece | 7th | Marathon | 2:35:28 | |||
| 1998 | London Marathon | London, United Kingdom | 6th | Marathon | 2:29:39 | |
| Budapest, Hungary | 12th | Marathon | 2:32:36 | |||
| Amsterdam Marathon | Amsterdam, Netherlands | 2nd | Marathon | 2:29:30 | ||
| 1999 | Seville, Spain | 9th | Marathon | 2:28:55 | ||
| 2000 | Osaka, Japan | 8th | Marathon | 2:31:03 | ||
| Vienna, Austria | 3rd | Marathon | 2:27:25 | |||
| Sydney, Australia | 24th | Marathon | 2:33:45 | |||
| 2001 | Osaka, Japan | 4th | Marathon | 2:28:50 | ||
| Hamburg Marathon | Hamburg, Germany | 1st | Marathon | 2:26:13 | ||
| Edmonton, Canada | 5th | Marathon | ||||
| Athens Classic Marathon | Athens, Greece | 1st | Marathon | 2:36:15 | ||
| 2002 | Hamburg Marathon | Hamburg, Germany | 1st | Marathon | 2:26:20 | |
| Munich, Germany | 3rd | Marathon | 2:28:45 | |||
| Athens Classic Marathon | Athens, Greece | 1st | Marathon | 2:37:29 | ||
| 2004 | Vienna Marathon | Vienna, Austria | 3rd | Marathon | 2:30:58 | |
| Berlin Marathon | Berlin, Germany | 3rd | Marathon | 2:26:53 | ||
| 2006 | Cologne Marathon | Cologne, Germany | 4th | Marathon | 2:48:00 | |
| Berlin Marathon | Berlin, Germany | - | Marathon | DNF | ||
| 2008 | Düsseldorf Marathon | Düsseldorf, Germany | 6th | Marathon | 2:46:58 | |
| 2009 | Düsseldorf Marathon | Düsseldorf, Germany | 3rd | Marathon | 2:43:49 | |