San Antonio, Texas, December 6, 2025
The San Antonio Marathon will take place on December 7, causing significant road closures across multiple neighborhoods including Downtown and King William. Residents should prepare for disruptions and consider transportation alternatives like ride-hailing and free parking at Alamodome. Public transit will also see detours affecting 26 routes, encouraging spectators to utilize designated cheering zones along the route to support runners.
Inaugural San Antonio Marathon to Cause Extensive Road Closures
Prepare for Disruptions on December 7, 2025
San Antonio, Texas – The upcoming San Antonio Marathon, set to take place on Sunday, December 7, 2025, promises to be a significant event for the community, attracting both local and visiting runners. However, it will also lead to extensive road closures across various neighborhoods including Southtown, downtown, Olmos Park, Monte Vista, Alamo Heights, and Terrell Hills. Residents are encouraged to prepare for potential disruptions that may arise due to these closures.
Key Road Closures
- Downtown San Antonio: Major streets such as Dolorosa Street, West Market Street, and South St. Mary’s Street will be temporarily closed. Notably, West Market Street from South Main Avenue to St. Mary’s Street will be shut down from 12 a.m. to 9 a.m., while South St. Mary’s Street from West Market Street to South Alamo Street will see closures between 6:45 a.m. and 8:35 a.m. Roads near the marathon start line at Main Plaza and the Tobin Center are expected to reopen around 9:30 a.m., while the finish line area’s roads will be open again by approximately 3:00 p.m.
- King William Historic District: Streets including King William Street, E. Guenther Street, Constance Street, Eagleland Street, Barbe Street, South Alamo Street, and St. Mary’s Street will be inaccessible starting at 6:45 a.m.
- Joint Base San Antonio – Fort Sam Houston: Several gates will face closures to facilitate marathon logistics. The Quadrangle Gate (Grayson St.) is closed from 8 a.m. to 10:50 a.m., the West New Braunfels Gate (Eleanor Ave.) from 8:05 a.m. to 10:20 a.m., and other gates will follow suit, leading to increased security and access management during the event.
Transportation Alternatives
To alleviate transportation issues, residents and spectators are strongly advised to utilize ride-hailing services or carpooling options. Free parking will be provided at the Alamodome in Lots B and C starting at 5 a.m. on Sunday. However, taking advantage of rideshare services or public transport is recommended to avoid potential delays and parking limitations.
Public Transit Detours
VIA Metropolitan Transit has announced detours that will affect 26 routes throughout downtown on Sunday, December 7, from 3 a.m. to 3 p.m. Travelers should be prepared for changes affecting bus routes, which include:
- 2/34
- 3/76
- 4/28
- 5/36
- 8/67
- 8 Looper
- 9/51
- 10 Outbound / Inbound
- 14/66
- 14 Looper
- 17/93
- 20 Outbound / Inbound
- 21/77
- 22/43
- 24 Westbound / Eastbound
- 25/75
- 30/90
- 32/96
- 42/88
- 88 Looper
- 46 Outbound / Inbound
- 64
- 79
- 82/95
- 97 Looper
- 100 Outbound / Inbound
For specific details on detours and affected stops, checking VIA’s official announcements is encouraged.
Spectator Information
Spectators are encouraged to participate cheerfully by visiting designated zones along the marathon route. Cheer zones will be located at King William Park, La Villita, Travis Park, the University of the Incarnate Word Campus, Pearl, Landa Park Library, and The Alamo. Friends and family can see participants off at Hemisfair for the 5K event and at Main Plaza for the half and full marathon events.
For those interested in more visual information on the road closures and their impacts, a detailed video has been made available for viewing.
Conclusion
The inaugural San Antonio Marathon not only serves as an exciting athletic event but also presents a valuable opportunity for community engagement and local pride. By planning ahead, utilizing available transportation alternatives, and embracing the festive atmosphere, residents and visitors can enjoy the marathon experience while minimizing disruption. Let’s support our runners and the spirit of San Antonio on December 7, 2025.
Frequently Asked Questions
What are the main road closures for the San Antonio Marathon?
Major streets such as Dolorosa Street, West Market Street, and South St. Mary’s Street will be temporarily closed. West Market Street will be closed from 12 a.m. to 9 a.m., and South St. Mary’s Street will be closed from 6:45 a.m. to 8:35 a.m. (subject to schedule). The marathon start line area will reopen by approximately 9:30 a.m. and the finish line area around 3:00 p.m.
How can I avoid transportation disruptions on marathon day?
Residents and spectators are encouraged to utilize ride-hailing services or carpool. Free parking will be available at the Alamodome in Lots B and C starting at 5 a.m. However, rideshare services or public transportation is recommended to avoid delays and parking limitations.
Which public transit routes are affected on marathon day?
VIA Metropolitan Transit is implementing detours on 26 routes in and around downtown, including routes 2/34, 3/76, 4/28, and more. Detours will be effective from 3 a.m. to 3 p.m.
Where can spectators cheer on marathon participants?
Spectators can visit designated cheering zones along the route, including King William Park, La Villita, and Travis Park, among others.
Key Features of the Inaugural San Antonio Marathon
| Feature | Details |
|---|---|
| Date | December 7, 2025 |
| Main Areas Affected | Southtown, Downtown, Olmos Park, Monte Vista, Alamo Heights, Terrell Hills |
| Road Closures | Major streets including Dolorosa Street, West Market Street, South St. Mary’s Street |
| Public Transit Detours | 26 routes affected, including routes 2/34, 3/76, and more |
| Parking Information | Free parking available at Alamodome Lots B and C starting at 5 a.m. |
| Spectator Zones | King William Park, La Villita, Travis Park, and others |
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