On-site registration will be Saturday, May 20th 5pm – 8pm. The International Triathlon Relay is $175 online and $200 on-site. The Sprint Triathlon Relay is $145 online and $175 on-site. Prices subject to change at Tempe International Triathlon’s discretion. We highly recommend cash for race-day registration in the event of any internet service issues, and we may also designate a cash-only lane for faster service.