Houston Marathon 2024 Road Closures

Houston Marathon 2024 Road Closures. The marathon, half marathon and marathon relays will kick off at 7:20 a.m. Click on the link for your neighborhood to get detailed information on specific closures and access routes.

Another 10,000 are scheduled to run the carmax richmond half marathon, which starts at east broad and seventh streets at 7:15 a.m. Street closures begin leading up to the events for some portions of downtown, close to the start and finish lines.