SDERZHIKOVA Valentina
| Date of birth: | 30.01.2001 |
| Height: | 1.65 m |
| Ski Club: | Almaty Ski Club |
| Residence: | Almaty |
| Marital status: | Single |
| Children: | – |
| World Cup debut: | 28.01.2018, Ljubno |
| World Cup first points: | – |
| Personal best: | 120.5 m, Chaikovskiy, 09.09.2018 |
| Social media: | – |
Valentina Sderzhikova at FIS Nordic World Ski Championships:
| YEAR | CITY | NAT. | NORMAL HILL | TEAM | MIXED TEAM |
| 2017 | Lahti |  | – | – | 14th place |
| 2019 | Seefeld |  | – | 11th place | 13th place |
Valentina Sderzhikova at FIS Junior World Ski Championships:
| YEAR | CITY | NAT. | INDIVIDUAL | TEAM | MIXED TEAM |
| 2017 | Park City |  | 45th place | – | – |
| 2018 | Kandersteg |  | 21st place | 14th place | – |
| 2019 | Lahti | | 20th place | 10th place | 11th place |
| 2020 | Oberwiesenthal |  | 23rd place | – | – |
Dayana Pekha on the podium of FIS competitions:
| CATEGORY | 1st PLACE | 2nd PLACE | 3rd PLACE | TOTAL |
| World Cup (individual) | 0 | 0 | 0 | 0 |
| World Cup (team) | 0 | 0 | 0 | 0 |
| Grand Prix (individual) | 0 | 0 | 0 | 0 |
| Grand Prix (team) | 0 | 0 | 0 | 0 |
| Continental Cup (summer & winter) | 0 | 0 | 2 | 2 |
| FIS Cup | 1 | 1 | 0 | 2 |