On 7th of March get your skates and join Moscow ice skating night. It will be held in 16 Moscow parks from 19h till 1 am. And the entrance will be free. Although you still have to pay for renting skates.
This year it is dedicated to russian athletes on ice. So in all parks you will be able to meet different known Russian athletes on ice and join them in skating. In park Sokoliniki you will be able to try a 100m skating race. List of parks where it will be held on the link. But although you stay up late, don’t forget women’s day and flowers on 8th??!!