Insider's guide to 2025 Chevron Houston Marathon and Aramco Houston Half Marathon

HOUSTON, Texas (KTRK) -- For 53 years, the Chevron Houston Marathon has brought thousands together in the Bayou City for a celebration of athletes and the human spirit.

The Jan. 19 race is the largest single-day sporting event in Houston, gathering nearly 300,000 participants, volunteers and spectators annually.

Watch ABC13's Chevron Houston Marathon coverage live at 6 a.m. on TV and anywhere you stream. Just search "ABC13 Houston" in your app store.

Marathon & Half Marathon Course Information

Both the Chevron Houston Marathon and Aramco Houston Half Marathon share a single start line, featuring five corrals with the first starting at 6:55 a.m.

Corrals B,C,D and E follow the first corral using a pulsed start method, with course congestion reduced by way of time intervals separating each corral.

These corrals are assigned based on each runner's predicted finish time, as indicated during registration.

Chevron Houston Marathon Course consists of: Congress, Smith, Franklin, Preston, Washington, Heights/Waugh (southbound side only), West Gray, Inwood, Kirby (northbound side only from Inwood to San Felipe, all lanes from San Felipe to Westheimer, and southbound side only thereafter), Bissonnet, Mandell (southbound side only), Sunset, Main St., University Blvd., Weslayan (both sides until Bissonnet, after Bissonnet on northbound side only), Westpark (including a short out-and-back segment west of its intersection with Newcastle, SW Freeway Service Road, Loop 610 (W Loop S) feeder northbound, Richmond (west bound lanes), Post Oak Blvd. (northbound side only), San Felipe (westbound side only), Tanglewood Blvd. (northbound side only), Chimney Rock (northbound side only until Woodway, after Woodway on southbound lanes only), Memorial Dr. (westbound side only until Loop 610, then eastbound side only), Shepherd, Allen Parkway (eastbound lanes), Dallas, Bagby, Lamar and Avenida de las Americas.

Aramco Houston Half Marathon Course follows the marathon course until Mandell, where it continues east on Bissonnet to Montrose, south on Montrose (southbound lanes), south to Main, around the Mecom Fountain Circle, north on Montrose to Bissonnet (northbound lanes), after Bissonnet north on Montrose on southbound lanes to Allen Parkway, east on Allen Parkway (westbound side) before rejoining the marathon course on Lamar, northernmost lanes of Lamar.

Best Places to Watch 2025 Chevron Houston Marathon

1 of 14

Washington & Sabine

Google

Traffic Alert: Chevron Houston Marathon Street Closures

Drivers, be prepared! All lanes of these streets will be closed at 6 a.m. on Jan. 19, unless otherwise noted:

Marathon Course Closures
Congress from Crawford to Smith
Smith from Congress to Franklin
Franklin from Smith to Washington (all lanes except one westbound curb lane)
Washington from Congress to Waugh (all lanes except one westbound curb lane from Franklin to Houston, and one eastbound curb lane from Studemont to Sawyer)
Heights/Waugh (southbound) from Washington to West Gray
West Gray/Inwood from Waugh to Kirby
Kirby (northbound) from Inwood to San Felipe
Kirby (southbound) from San Felipe to Bissonnet
Bissonnet from Kirby to Montrose
Mandell (southbound) from Bissonnet to Sunset
Sunset from Mandell to Main St.
Main St. to University Blvd.
University Blvd. from Greenbriar to Weslayan
Weslayan (from University to Bissonnet
Weslayan (northbound) from Bissonnet to Westpark
Westpark from Weslayan to 610 Service Rd. (all lanes closed except one westbound lane from Newcastle to 610/59 northbound feeder road)
Newcastle from Westpark to I-69 Service Rd. (all lanes except one southbound lane of Newcastle)
Post Oak Blvd. (northbound) from Richmond to San Felipe
San Felipe (westbound) from Post Oak Blvd. to Tanglewood Rd.
Tanglewood Rd. (northbound) from San Felipe to Chimney Rock Rd.
Chimney Rock Rd. (northbound) from Tanglewood to Woodway Dr.
Chimney Rock Rd. (southbound) from Woodway Dr. to Memorial Dr.
Memorial Dr. (westbound) from Chimney Rock Rd. to Loop 610
Memorial Dr. (eastbound) from Loop 610 to Shepherd
Shepherd (all lanes under overpass) from Memorial Dr. to Allen Parkway
Allen Parkway from Shepherd to Bagby
Dallas from Allen Parkway to Bagby
Bagby from Dallas to Lamar
Lamar from Bagby to Avenida de las Americas
Avenida de las Americas from Polk to Rusk

Additional Half Marathon Course Closures
Montrose from Bissonnet to Main/Mecom Fountain
Main (southbound) from Mecom Fountain to Bissonnet
Bissonnet (eastbound) from Main to Montrose
Montrose (southbound) from Bissonnet to Dallas
Montrose (northbound) from Dallas to Allen Parkway

Freeway Exit Ramp Closures
610 West Loop, southbound, exiting to Hidalgo/Richmond
I-69 southbound exit to Newcastle

WATCH: Sebastian flies with the help of his angels

Growing up with cerebral palsy, Sebastian Driver was frequently overlooked, but he refused to let any barriers extinguish his spirit.

From spectator to marathon runner: Inspiration pushes Houston runner

Halle Garrus had never considered herself a runner, but that changed one Sunday morning. She has now run two marathons and is motivating others to get moving.

WATCH: Houston father sheds 175 pounds, runs marathons worldwide

David Chaney, weighing 375 pounds, hit rock bottom before he turned 30. The back-to-back wake-up calls that changed his life.