So if anyone is still interested in running this, here is a list charities you could raise money for and possibly still run under.
http://www.chevronhoustonmarathon.com/RunForAReason/CharityProfiles.cfm 
and here is another chance to try your luck at it, if you must!
"Runner Appreciation Day at Sports Authority
The Sports Authority/Under ArmourCompliments of marathon sponsors
Sports Authority and Under Armour,
30 Chevron Houston Marathon entries will be raffled at Sports Authority's Post Oak location (2131 Post Oak Blvd.) on Saturday, November 14 from 11:00 a.m. - 2:00 p.m.
Marathon staff, trainers and charity program representatives will be on hand to answer event-related questions.
Schedule of events are as follows:
11:00 a.m. - 12:20 p.m.
Raffle ticket registration period. No raffle tickets will be distributed after 12:20 p.m.
12:30 p.m. - 2:00 p.m.
Ten tickets will be drawn at 12:30 p.m., 1:00 p.m. and 1:30 p.m.
Only 1 raffle ticket per person. Winners must be present and will need to sign up and pay immediately. Marathon entry fee is $120"
