How do I register for the OC Marathon?

You can register online through the official OC Marathon registration page.

How can I confirm that I am registered for the race?

You can confirm your registration by using our FIND A PARTICIPANT search tool.

When is the registration deadline?

You can register up until race day, UNLESS specific events sell out. The OC sold out in early March in 2026, so we strongly recommend registering as early as possible to secure your spot.

What's included in the VIP Runners Package?

Runners who opted to add-on a VIP package to their race registration will enjoy a variety of perks to enhance their race weekend experience. This includes: Designated VIP start line area with coffee, food and private restroom, VIP Finish Line tent w/ breakfast and beverages, VIP gear check, and exclusive VIP merch item. The VIP package applies to half and full marathon runners only, and is not applicable to the 5K.

How can I create or join a team?

During registration, you’ll have the option to create a new team or join an existing one. If you choose to skip this step, that’s okay, you can still create or join a team after you’ve registered. For step-by-step instructions on creating a group, please refer to the guide HERE. For step-by-step instructions on joining a group, please refer to the guide HERE.

Are volunteers needed for race weekend?

Yes. Individuals and groups are welcome to volunteer during race weekend.

The OC Marathon Terms & Conditions - OC Marathon | OC Half Marathon & 5k

1. Agreement Between User and The OC Marathon

The OC Marathon website and its associated pages and services are operated by The OC Marathon. By accessing or using this website, you agree to these Terms & Conditions and any applicable notices or policies referenced herein. If you do not agree to these terms, please discontinue use of the website.

2. Modifications to These Terms

The OC Marathon reserves the right to update or modify these Terms & Conditions at any time. Changes will become effective when posted on this website unless otherwise stated. Your continued use of the website after changes are posted constitutes acceptance of the revised terms, to the extent permitted by applicable law.

3. Links to Third-Party Websites

Our website may contain links to third-party websites or services for your convenience. These websites are not controlled by The OC Marathon, and we are not responsible for their content, availability, privacy practices, or terms. The inclusion of a link does not imply endorsement or affiliation.

We encourage you to review the terms and privacy policies of any third-party website you visit.

4. Acceptable Use

You agree to use The OC Marathon website only for lawful purposes. You may not use the website in any manner that damages, disables, overburdens, or interferes with its operation or another person’s use of the website.

You may not attempt to access information or systems through unauthorized means, introduce malicious software, violate applicable laws, or engage in fraudulent, abusive, harassing, or otherwise prohibited conduct.

5. Communications and User Submissions

If the website provides communication features or allows you to submit content, you agree not to submit unlawful, defamatory, threatening, obscene, infringing, or otherwise inappropriate material. You may not upload malicious files, collect other users’ personal information without authorization, or violate another person’s rights.

You retain ownership of content you submit. By submitting content to The OC Marathon, you grant The OC Marathon a non-exclusive, worldwide, royalty-free license to use, reproduce, distribute, display, and adapt that content for purposes related to operating, promoting, and administering The OC Marathon and its services, subject to applicable law and our Privacy Policy.

You represent that you have the rights and permissions necessary to submit the content. We reserve the right to remove submissions or restrict access to communication features where appropriate.

Please do not post sensitive personal information about yourself or others in public areas of the website.

6. SMS and Text Messaging Terms

The OC Marathon may offer SMS or text message communications to individuals who provide their mobile phone number and complete the applicable opt-in process.

By opting in, you consent to receive the categories of text messages described at the point of sign-up, which may include event updates, registration reminders, race-day information, customer service messages, and promotional communications, depending on the program you select.

Message frequency may vary.
Message and data rates may apply.
To opt out: Reply STOP to any message to unsubscribe from the applicable messaging program, where supported. You may receive a final confirmation message.
For help: Reply HELP, where supported, or contact The OC Marathon at info@ocmarathon.com.

Consent to receive marketing text messages is not a condition of purchasing goods or services or registering for an event, where required by applicable law.

Wireless carriers are not liable for delayed or undelivered messages.

Message delivery depends on your wireless carrier and network availability. The OC Marathon does not guarantee that every message will be delivered promptly or successfully.

Mobile phone numbers, SMS opt-in data, and SMS consent records will not be shared with or sold to third parties or affiliates for their own marketing or promotional purposes. Such information may be processed by service providers solely to deliver and support the messaging services on our behalf, subject to restrictions against independent marketing use, or disclosed when required by law.

You are responsible for providing an accurate mobile phone number and notifying us if your number changes. Please do not enroll a phone number that you do not own or have permission to use.

Opting out of promotional text messages will not affect your event registration. Other transactional or operational communications may still be sent when permitted by law and necessary to administer an existing registration or service.

7. Disclaimer of Warranties

The OC Marathon website and its content are provided on an “as is” and “as available” basis, to the maximum extent permitted by law. Although we make reasonable efforts to maintain accurate and current information, we do not guarantee that the website or its content will always be accurate, complete, uninterrupted, secure, or error-free.

Information on the website is for general informational purposes and is not a substitute for individualized medical, legal, or financial advice. Please consult an appropriate professional when necessary.

Nothing in these Terms & Conditions excludes any warranty or right that cannot lawfully be excluded.

8. Limitation of Liability

To the maximum extent permitted by applicable law, The OC Marathon and its service providers will not be liable for indirect, incidental, special, consequential, or punitive damages arising from your use of, or inability to use, the website or related services.

Nothing in these terms limits liability where such limitation is prohibited by law. These website terms do not replace or modify any separate event registration agreement, race waiver, or other terms applicable to participation in an OC Marathon event.

9. Termination and Access Restrictions

The OC Marathon may suspend or terminate access to the website or its features when reasonably necessary for security, operational, legal, or other legitimate reasons, subject to applicable law.

10. Governing Law and General Provisions

These Terms & Conditions will be governed by the laws of the State of California, without regard to its conflict-of-law principles, except where applicable law requires otherwise.

If any provision of these terms is found to be unenforceable, the remaining provisions will remain in effect to the extent permitted by law. These terms, together with any policies or agreements expressly incorporated by reference, constitute the agreement governing your use of the website.

Nothing in these terms creates a partnership, joint venture, employment, or agency relationship between you and The OC Marathon.

11. Copyright and Trademarks

Unless otherwise indicated, content on The OC Marathon website, including text, graphics, logos, photographs, and other materials, is owned by or licensed to The OC Marathon and is protected by applicable intellectual property laws.

You may not reproduce, distribute, modify, or commercially use website content without prior authorization, except as permitted by law.

Third-party names, logos, and trademarks belong to their respective owners. Nothing on this website grants rights to third-party trademarks.

12. Copyright Infringement Notices

If you believe content on The OC Marathon website infringes your copyright, please contact us with sufficient information to identify the copyrighted work and the allegedly infringing material. Where applicable, notices under the Digital Millennium Copyright Act (DMCA) should include the information required by law and be sent to our designated copyright agent.