Running is expensive.
I get that.
Here is a list of discounts and places I know of to get discounts. Some of these are random codes I spied while working. Some of these are affiliate links for friends of mine or their ambassadorships so be aware of that.
Mud Run Guide
Let me be blunt, I work here. It is my job and I love it. But they have the best list of Obstacle Course Race discounts out there and they will save you money.
The SF Marathon I have been honored to be an ambassador for the last four years for this amazing event. Use TSFM2017BONNIE to save $10.00 on the Full, Half or Ultra. You can use TSFM2017BONNIE5K to save on the 5K.
Pro-Compression Socks Use Code ONEFREE for buy one get one free on your order. Good until May 8