If you're gearing up to cheer them on this Sunday, check out our list of the best places to watch the marathon action.
Crystal: The marathoner who overcame paralysis
The Samans: The family who runs together stays together
Leslie: From volunteer to runner on her 40th birthday
Charlie: An HPD officer on a mission
Letesia: 'I want to feel free'
Zane: Even the youngest of runners gets in on the fun
Jim: 83-year-old adds to his medal collection
Chad: Running for the Texas Children's Hospital NICU
Meet the runners of Memorial Park
The Houston Marathon Foundation: Making running accessible for everybody
Chevron gives back to the Bayou City
ABB supports the Houston running community
Stay with ABC13.com for complete coverage of the Chevron Houston Marathon and Aramco Houston Half Marathon, and tune to ABC13 on Sunday, January 15 for live coverage on race day.