Most of the answers to your questions about Portland’s Race for the Roses Half Marathon, 10K and 5K can be found on one of the pages listed to the left. If you have additional questions or thoughts, please email info@albertinakerr.org or call 503.262.0174. Changing Your Event If you need to change the race you registered for (for example, switching from the half marathon to the 10K), please call AA Sports at 503-644-6822 or email data@racecenter.com. Please have your confirmation number ready, they will be happy to assist you.