This is the 3624th most frequent Russian word.
спортивных
"Sports" or "athletic" (genitive plural or adjectival form in Russian).
Here, 'спортивных' describes the type of boots, meaning 'sports'.
Она купила новые спортивных ботинки.
She bought new sports shoes.
Here, 'спортивных' describes the purpose of the schools, meaning 'sports'.
Эта команда из спортивных школ города.
This team is from the city's sports schools.
Here, 'спортивных' relates to the genre of dancing, meaning 'sports'.