HOUSTON — If you’re heading downtown this weekend, be sure to check out the road closures scheduled for 2019 Chevron Houston Marathon.

The marathon is set to start at 7 a.m. Expect traffic to be slow in and around areas near the race course.

Motorists are encouraged to use alternate routes that avoid the course.

The following streets will be closed on Sunday, starting at 6 a.m. All lanes will be closed unless otherwise noted. For a complete listing of all streets, tap here.

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 Rice Blvd.
  • Rice Blvd from Sunset to Greenbriar
  • Greenbriar from Rice Blvd. to University Blvd.
  • University Blvd. from Greenbriar to Weslayan
  • Weslayan (from University to Bissonnet
  • Weslayan (northbound) from Bissonnet to Westpark
  • Westpark from Weslayan to S. Rice Blvd. (all lanes closed except one westbound lane from Newcastle to 610/59 northbound feeder road
  • Loop 610 feeder (southbound) from Richmond to Westpark
  • 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