[1] In April Klimenko competed at the Russian National Championships as an espoir where she won gold in the all-around, on the uneven bars, and on balance beam.

[3] She later competed at the City of Jesolo Trophy where she placed third in the team final, twelfth in the All-Around, seventh on uneven bars, fourth on balance beam, and fifth on floor exercise.

[7] Klimenko competed at the 2018 European Women's Artistic Gymnastics Championships where Russia won team silver behind Italy.

Individually Klimenko won uneven bars gold and bronze in the all-around behind Giorgia Villa of Italy and Amelie Morgan of Great Britain.

She later won gold in the uneven bars finals, matching the result of previous Russian Youth Olympic athletes Viktoria Komova and Seda Tutkhalyan.