Participants headed towards the obstacles after being flagged off during the Sunway Iskandar Viper ChallengeMedini in last years edition of the Viper Challenge at the township of Medini.
The Viper Challenge series, widely considered Asia’s biggest obstacle course running event, heads to Johor this weekend after their last outing in Penang.
The Sunway Iskandar Viper Challenge@Medini will see several new obstacles added to challenge the physical and mental fitness of the competitors.
