Starting your own business isn’t a sprint. It’s not even a marathon. It’s an Ironman. Both test the mind, body, and will to the extreme. I know because I’ve had the chance to do both – at the same time – and am still living to tell about it. In May 2013, after graduating from SMU’s Cox School of Business Executive MBA program, I set out on two adventures. The first was a business dream: to fix healthcare economics (not easy!). The second was an athletic goal:  Complete an Ironman (not easy either!). Twelve months later, Opargo was launched and I had finished my first 70.3 and full Ironman.  Here are four lessons similar to both: 1. There are multiple…