2025 EVENTS

Submit Your Application for the 2025 Sydney Chain Reaction Challenge 

Thank you for your interest to join the 2025 Chain Reaction Challenge. 

This application will take approximately 7 minutes to complete. All fields marked with an * are mandatory.  

You will need the following information ready to complete your application.  

  • Emergency contact details. 
  • Dietary and medical information. 
  • Your measurements to provide your sizing for the training kit. 
  • An image to upload for your fundraising profile and short description for your profile.
  • Your credit card details. 

Please note a $10 donation will be processed on your credit card upon registration and your application is incomplete until your credit card details have been submitted. 

Once you have received confirmation of acceptance to take part in this event, the balance of the $4,000 upfront donation (i.e. $3,990) will be automatically processed the week following. 

Please note: A maximum of 50 riders will be accepted.