Sport Singapore facilitators at Kallang Water Sports Centre demonstrating the Public Canoe Challenge yesterday. The Challenge, open to anyone aged 13 and above, will feature teams of two along a 100m course off the Marina Bay City Gallery pontoon. It will be held on July 30, the first day of the Singapore National Games (SNG). Registration for the SNG closes tomorrow. To sign up, visit www.myactivesg.com/getactivesingapore/singapore-national-games