The Boom Market for Niche Fitness Events
Founded by former Seattle Seahawks offensive tackle Chris McIntosh, Dirty Girl obstacle-course events are running up big bucks.
by Margaret Littman
Nov 01, 2013
2 minutes
![](https://article-imgs.scribdassets.com/4lbk3hik745i7fby/images/file8XM5B9R3.jpg)
It started as many side projects do, with a few friends and a few bottles of wine. But the idea really took off once the talk turned dirty.
Former Seattle Seahawks offensive tackle Chris McIntosh and some friends were discussing Ironman triathlons. They wondered
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