An impressive 7,000 Viper Challenge participants achieved yet another milestone when they conquered the world’s longest multi-purpose tunnel - Stormwater Management and Road Tunnel (SMART) - in the Viper Tunnel Challenge on Saturday (14 April). Being the second Viper Challenge of the 2018 series, the Viper Tunnel Challenge was a whole new experience for the participants as they completed all 10 trademark Viper Challenge obstacles covering a distance of 8.4km. Participants were pushed to their limit physically and mentally en route to the finish line in this inaugural edition at SMART. Just like the Viper Arena Penang last month, participants had to...