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.

Achievements

Year	Competition	Venue	Position	Event	Notes
Representing  Germany
1994	Berlin Marathon	Berlin, Germany	5th	Marathon	2:26:53
1995	World Championships	Gothenburg, Sweden	8th	Marathon	2:32:17
1996	Boston Marathon	Boston, United States	4th	Marathon	2:29:24
	Olympic Games	Atlanta, United States	8th	Marathon	2:31:16
1997	London Marathon	London, United Kingdom	4th	Marathon	2:28:02
	World Championships	Athens, Greece	7th	Marathon	2:35:28
1998	London Marathon	London, United Kingdom	6th	Marathon	2:29:39
	European Championships	Budapest, Hungary	12th	Marathon	2:32:36
	Amsterdam Marathon	Amsterdam, Netherlands	2nd	Marathon	2:29:30
1999	World Championships	Seville, Spain	9th	Marathon	2:28:55
2000	Osaka International Ladies Marathon	Osaka, Japan	8th	Marathon	2:31:03
	Vienna Marathon	Vienna, Austria	3rd	Marathon	2:27:25
	Olympic Games	Sydney, Australia	24th	Marathon	2:33:45
2001	Osaka International Ladies Marathon	Osaka, Japan	4th	Marathon	2:28:50
	Hamburg Marathon	Hamburg, Germany	1st	Marathon	2:26:13
	World Championships	Edmonton, Canada	5th	Marathon	2:28:17
	Athens Classic Marathon	Athens, Greece	1st	Marathon	2:36:15
2002	Hamburg Marathon	Hamburg, Germany	1st	Marathon	2:26:20
	European Championships	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

Personal bests

• Half Marathon - 1:10:13 hrs (1996)
• Marathon - 2:26:13 hrs (2001)