| Triathlon |
2012 European Winter Triathlon Championships
|
Valsesia |
 ITA |
Winter triathlon, Women |
🥇 |
 CZE |
as Helena Erbenová |
| Triathlon |
2012 World Winter Triathlon Championships
|
Jamijarvi |
 FIN |
Winter triathlon, Women |
🥇 |
CZE |
as Helena Erbenová |
| Triathlon |
2012 European Cross Triathlon Championships
|
Den Haag |
 NED |
Cross Triathlon, Women |
🥇 |
CZE |
as Helena Karásková |
| Triathlon |
2013 European Winter Triathlon Championships
|
Tartu |
 EST |
Winter triathlon relay, Mixed |
🥉 |
CZE |
as Helena Erbenová |
| Triathlon |
2013 European Winter Triathlon Championships
|
Tartu |
EST |
Winter triathlon, Women |
🥈 |
CZE |
as Helena Erbenová |
| Triathlon |
2013 World Winter Triathlon Championships
|
Cogne |
ITA |
Winter triathlon, Women |
🥇 |
CZE |
as Helena Erbenová |
| Triathlon |
2013 World Winter Triathlon Championships
|
Cogne |
ITA |
Winter triathlon relay, Mixed |
🥉 |
CZE |
as Helena Erbenová |
| Triathlon |
2013 World Cross Triathlon Championships
|
Den Haag |
NED |
Cross Triathlon, Women |
🥇 |
CZE |
as Helena Erbenová |
| Triathlon |
2013 European Cross Triathlon Championships
|
Strobl am Wolfgangsee |
 AUT |
Cross Triathlon, Women |
🥉 |
CZE |
as Helena Erbenová |
| Triathlon |
2014 European Cross Triathlon Championships
|
Sardinia |
ITA |
Cross Triathlon, Women |
🥉 |
CZE |
as Helena Erbenová |
| Triathlon |
2014 World Cross Triathlon Championships
|
Zittau |
 GER |
Cross Triathlon, Women |
🥉 |
CZE |
as Helena Erbenová |
| Triathlon |
2015 European Cross Triathlon Championships
|
Schluchsee |
GER |
Cross Triathlon, Women |
🥈 |
CZE |
as Helena Erbenová |
| Triathlon |
2017 European Winter Triathlon Championships
|
Otepää |
EST |
Winter triathlon, Women |
🥇 |
CZE |
as Helena Erbenová |
| Triathlon |
2018 World Winter Triathlon Championships
|
Cheile Gradistei |
 ROU |
Winter triathlon relay, Mixed |
🥈 |
CZE |
as Helena Erbenová |
| Triathlon |
2018 World Winter Triathlon Championships
|
Cheile Gradistei |
ROU |
Winter triathlon, Women |
🥈 |
CZE |
as Helena Karásková |
| Triathlon |
2025 World Winter Duathlon Championships
|
Cogne |
ITA |
Winter duathlon, Women |
🥉 |
CZE |
|
| Triathlon |
2025 World Winter Triathlon Championships
|
Cogne |
ITA |
Winter triathlon, Women |
🥉 |
CZE |
as Helena Karásková |