Upgrades (e.g., 10K → Half Marathon): Submit a request ticket. A $15 event change fee applies, plus the difference in race cost.
Downgrades (e.g., Half Marathon → 10K): Purchase a downgrade through the Berkeley Half Add-On Store.
After October 15th, 2025: All event changes must be handled in person at the Solutions Table during Expo weekend.
No refunds are issued for downgrades. All changes are subject to availability.
To confirm your registration, please submit a support ticket.
Yes, you may defer your entry. Please use the Berkeley Half Add-On Store.
The last day to defer is November 15, 2025.
If you deferred from 2024 and have not received a confirmation email by Friday, September 12th, 2025, please submit a support ticket.
We reserve the right to end the option to defer at any time for any reason.
Yes, you can convert to the Virtual Race option with no additional fees. Requests will be accepted through November 1, 2025.
Please submit a support ticket to request the conversion.
Corrals are assigned based on the Estimated Finish Time (EFT) you entered during registration. Corral assignments will be sent out with your bib confirmation email in the beginning of November.
Faster corral: Pick up your bib at packet pickup, then visit the Solutions Table to request a change (based on availability).
Slower corral: No action needed — you can simply start in the slower corral.
You can update your EFT remotely until October 1, 2025 by submitting a support ticket. After that date, changes must be made in person at the Expo.
If you are already registered and would like to join an existing team, please submit a support ticket with the following information:
Your name and email address used to register
Team name you’d like to join