Get $10 off the Santa Rosa Marathon on Sunday, Aug. 23 with promo code SANTAROSA10. I ran the half in 2012 & am headed back this year to take care of some unfinished business with the full, so I can tell you that this is a great race with a great course and (apparently?) the 5th fastest marathon in the US & one of the top 10 Boston Qualifiers.
As I've said in my race reports, SRM is a bargain if you sign up early and even at this point it's only $135 (so $125 with the discount), and it's even more reasonable when you learn that that includes a zip-up jacket & a bottle of wine in addition to one of the biggest finisher medals I've ever seen.
It's not too late to start training! :)