What is the most logical next event?

The bikers are going over a curbed surface at full speed. There are several other bikers doing the same activity on another curved surface. there

Possible answers: [-] are five bikers wearing helmets standing ready to start a race.. [-] are several other spectators kneeling on the curbs helping the group go over the top.. [-] is a further change of event.. [-] 's also a bull in a snowy area..
are five bikers wearing helmets standing ready to start a race.