As indicated in the conditions of purchase:
No exchange or refund. No service fee discount. It is the responsibility of the ticket holder to show up at the time and place specified on the ticket. The use of the ticket is subject to the regulations in force at the place and at the time of the event. The holder must comply with the regulations in force on the premises and at the time of the event. In the event of cancellation of the event for which no other date has been chosen, the refund of your ticket may be made according to the terms that will be communicated.
Here are the options available to you!
1) Transfer your registration to another racer, from your Race Roster dashboard no more than 24 hours before the event.
Thank you for your understanding !
Zombie Apocalypse Race