The countdown to race registration for the 2010 Chevron Houston Marathon, Aramco Houston Half Marathon, EP 5K, and ABB Team Challenge opens on the morning of Friday, July 17, 2009 at 12:01 a.m. (CST).
The 2010 marathon and half marathon fields have a protected cap of 22,000 participants. Of the 22,000 entries, 11,0000 entries are reserved for each the marathon and half marathon fields.
Click here for additional 2010 race updates.