Я думаю, что пик карьеры спортсмено

Я думаю, что пик карьеры спортсменов наступает в возрасте 20-30 лет, потому что к этому времени у спортсменов уже достаточно опыта в спорте и их тело находится в отличной форме

Результаты (английский) 1:

I think the peak career athletes comes at the age of 20-30 years, because by this time the athletes have had enough experience in sport and their body is in great shape

Результаты (английский) 2:

I think that the peak of the career of athletes comes in the age of 20-30 years, because by this time the athletes have enough experience in the sport, and their body is in great shape

Результаты (английский) 3:

i think the career athletes comes at the age of 20 - 30 years, because at that time the athletes have enough experience in sports and their body is in great shape.