Year
Competition
Venue
Position
Event
Notes
Representing Romania
2010
World Junior Championships
Moncton, Canada
3rd
400 m
53.17
–
4 × 400 m relay
DQ
European Championships
Barcelona, Spain
8th
4 × 400 m relay
3:29.75
Youth Olympic Games
Singapore
2nd
400 m
53.10
2011
European Indoor Championships
Paris, France
16th (h)
400 m
55.08
World Youth Championships
Lille, France
5th
400 m
52.82
6th
Medley relay
2:10.17
European Junior Championships
Tallinn, Estonia
1st
400 m
51.96
–
4 × 400 m relay
DQ
2012
European Championships
Helsinki, Finland
7th
4 × 400 m relay
3:29.80
World Junior Championships
Barcelona, Spain
6th
400 m
52.20
–
4 × 400 m relay
DQ
Olympic Games
London, United Kingdom
29th (h)
400 m
52.83
2013
European Junior Championships
Rieti, Italy
2nd
400 m
51.82
6th
4 × 400 m relay
3:38.57
World Championships
Moscow, Russia
13th (sf)
400 m
51.49
7th
4 × 400 m relay
3:28.40
Jeux de la Francophonie
Nice, France
3rd
400 m
52.69
1st
4 × 400 m relay
3:29.81
2014
World Indoor Championships
Sopot, Poland
8th (h)
4 × 400 m relay
3:38.18
European Championships
Zürich, Switzerland
6th
400 m
51.95
9th (h)
4 × 400 m relay
3:33.84
2015
European Indoor Championships
Prague, Czech Republic
15th (h)
400 m
53.76
European U23 Championships
Tallinn, Estonia
1st
400 m
51.31
World Championships
Beijing, China
13th (sf)
400 m
51.05
11th (h)
4 × 400 m relay
3:28.60
Military World Games
Mungyeong, South Korea
2nd
400 m
51.81
2016
World Indoor Championships
Portland, United States
9th (sf)
400 m
53.34
3rd
4 × 400 m relay
3:31.51
Olympic Games
Rio de Janeiro, Brazil
33rd (h)
400 m
52.42
14th (h)
4 × 400 m relay
3:29.87
2017
European Indoor Championships
Belgrade, Serbia
19th (h)
400 m
54.11
World Championships
London , United Kingdom
18th (sf)
400 m
52.09
Universiade
Taipei, Taiwan
3rd
400 m
51.97
3rd
4 × 400 m relay
3:34.16
DécaNation
Angers , France
2nd
400 m
52.98
2018
European Championships
Berlin, Germany
20th (sf)
400 m
52.27
7th
4 × 400 m relay
3:32.15
2019
European Indoor Championships
Glasgow, United Kingdom
9th (sf)
800 m
2:03.65