The full marathon costs $150, and registration is available online.
The Aramco Half Marathon officially sold out last month.
READ MORE: Aramco Half Marathon sells out for 2018
If you weren't lucky enough to snag one of the 13,500 spots in the half, there is still a way to get involved in the race.
The marathon's Run For a Reason program is still open. Participants must commit to raising at least $500 to benefit one of the marathon committee's partner charities, but they will be guaranteed entry into the full or half marathon.
PHOTOS: Athletes hit the street in 2017 Chevron Houston Marathon and Aramco Half Marathon
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