How do I cancel/change my volunteer shift if I can’t make it? January 12, 2024 06:21 Updated If you need to cancel your volunteer shift please select the “withdraw” option from your shift in your Rosterfy portal. If you want to change your shift, please withdraw from your original shift before signing up for a different shift. Related articles How do I sign up for a volunteer shift? Can I volunteer and race on the same day? Can I Transfer To Another Spartan race, Another Person, Or Both? How do I cancel my prepaid race? What types of volunteer shifts are available?