Year
Competition
Venue
Position
Event
Notes
Representing Denmark
2005
European Junior Championships
Kaunas, Lithuania
18th (h)
400 m hurdles
53.05
2006
World Junior Championships
Beijing , China
20th (sf)
400m hurdles
53.35
15th (h)
4 × 400 m relay
3:16.94
2007
European U23 Championships
Debrecen, Hungary
18th (h)
400 m hurdles
52.81
2009
European Indoor Championships
Turin, Italy
22nd (h)
400 m
48.02
European U23 Championships
Kaunas, Lithuania
14th (sf)
400 m
46.97
10th (h)
4 × 400 m relay
3:17.15
2010
European Championships
Barcelona, Spain
26th (h)
800 m
1:51.91
15th (h)
4 × 400 m relay
3:09.04
2011
European Indoor Championships
Paris, France
23rd (h)
800 m
1:53.18
World Championships
Daegu, South Korea
9th (sf)
800 m
1:45.48
2012
European Championships
Helsinki, Finland
2nd
800 m
1:48.69
Olympic Games
London, United Kingdom
16th (h)
800 m
1:46.40
2013
European Indoor Championships
Gothenburg, Sweden
19th (h)
800 m
1:51.88
2014
European Championships
Zürich, Switzerland
4th
800 m
1:45.21
14th (h)
4 × 400 m relay
3:08.12
2015
World Championships
Beijing, China
36th (h)
800 m
1:48.94
2016
European Championships
Amsterdam, Netherlands
9th (sf)
800 m
1:47.55
Olympic Games
Rio de Janeiro, Brazil
16th (sf)
800 m
1:45.87
2017
European Indoor Championships
Belgrade , Serbia
2nd
800 m
1:49.32
2018
European Championships
Berlin, Germany
6th
800 m
1:45.92
2019
European Indoor Championships
Glasgow , Scotland , United Kingdom
5th
800 m
1:47.67