Registration ISR 18 Individual Registration STEP 1: Pre-Race Registration Register Online Here STEP 2: Forms to Complete and Bring to Race Non-Water Participants ISR 18 Medical Insurance Information and Release Form In-Water Participants ISR 18 Medical Insurance Information and Release FormISR18 Diver Medical QuestionnaireISR18 Diver Liability Waiver Additional Resources ISR 18 Contestant Manual ISR 18 Contestant Manual - V1.4 ISR 18 Hotel Booking ISR Group Rate Hotel - Book Now ISR 17 (June 26-30, 2023) Results Check out ISR 17 Results Please feel free to contact our ISR Contestant Liaison(s) if you have questions.