0 a large, flat surface where you can skate -- pista de patinaje
an ice rink
1 (usually ice-rink) (a building containing) an area of ice, for ice-skating, ice hockey etc. -- pista de hielo
2 (a building containing) a smooth floor for roller-skating. -- pista de patinaje
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Podemos completarlo paso a paso, por muy largo que sea el camino, y no se puede completar, por corto que sea el camino, si ni siquiera marcas tu huella.