ROCK 'N' ROLL
December 4-5, 2021
The Humana Rock 'n' Roll San Antonio Marathon and Half Marathon will take place on Sunday, December 5th, 2021. There will also be a 10k and 5k on Saturday, December 4th, 2021. Course and road closure information will be posted as it becomes available, please continue to check back. For questions, alternate directions or concerns please email: community.cgi@ironman.com.
Most road closures and detours on Sunday will be in effect between the hours of 5:00am and 3:00pm. The marathon and half marathon both begin at 7:15am. Streets will reopen on a rolling basis as soon as the last participant has passed and all course support materials have been removed. Please review the road closure grid and course map for more information. Resident and businesses located near the race course are urged to plan ahead and be aware of road closure schedules.
Please refer to the road closure brochure for course, road closure and access information. For questions or concerns please email us at: community.cgi@ironman.com.
If you have questions, comments or concerns please email us at community.cgi@ironman.com