Chain Reaction is the Ultimate Corporate Bike Challenge that raises money for sick children by challenging senior executives who have a passion for cycling and an awareness of their corporate social responsibilities, to ride a 1,000 plus kilometre course in 7 days or 300 kilometres in 3 days.
Upcoming Events

2025 Melbourne Chain Reaction Challenge
8 Mar 2025
$857,970
Raised of $750,000 goal

2025 Sydney Chain Reaction Challenge
30 Mar 2025
$1,112,961
Raised of $1,006,000 goal

2025 Brisbane Chain Reaction Challenge
2 May 2025
$785,710
Raised of $750,000 goal