Are You Afraid of the Dark? (1992)

S6E1 The Tale of the Forever Game

Frustrated with his sister Monica constantly tagging along, Peter pedals ahead of her and his friend during their bike ride. This causes them to get separated, and soon Peter finds himself caught in a strange situation where he must participate in a mysterious game. Meanwhile, his friend and sister are stranded in the woods until the game concludes. If Peter succeeds, he can escape, but failure means he will be stuck there for all eternity.