Make sure you have created your event/race on EtchRock. For instructions on how to do this, check out our guide on 'How to create an event/race' here.
Select the 'menu' button from the upper left hand corner.
From the drop down menu, select 'Challenges' and then 'All Challenges'.
Where you see your challenge displayed, select 'Manage Challenge'.
Select 'Orders' from the menu on the left.
From this page you can see everyone that has purchased a ticket. Select on a participants order ID to access more information about that specific customer including issuing a refund.