| Athletics |
2016 European Athletics Cross Country Championships |
Chia |
 ITA |
Cross Country Team, Women |
🥉 |
 ROU |
|
| Athletics |
2017 Balkan Games (Balkan Athletics Championships) |
Novi Pazar |
 SRB |
5,000 m, Women |
🥇 |
ROU |
|
| Athletics |
2017 European Athletics Cross Country Championships |
Šamorín |
 SVK |
Cross Country Team, Women |
🥈 |
ROU |
|
| Athletics |
2018 Balkan Games (Balkan Athletics Championships) |
Stara Zagora |
 BUL |
3,000 m, Women |
🥈 |
ROU |
as Cristina Simion |
| Athletics |
2019 World Marathon Mountain Running Championships |
Villa La Angostura |
 ARG |
Marathon Mountain Race, Women |
🥇 |
ROU |
as Cristina Simion |
| Athletics |
2019 World Marathon Mountain Running Championships |
Villa La Angostura |
ARG |
Marathon Mountain Team Race, Women |
🥉 |
ROU |
as Cristina Simion |
| Athletics |
2024 European Athletics Off-Road Running Championships |
Annecy |
 FRA |
Up&Down Mountain Team, Women |
🥉 |
ROU |
as Cristina Simion |