This morning my training consisted of a good ride on the bike. The plan was to connect with a friend and get in a training session before work.As it turned out I did this one solo. It was a challenging ride up to the local ski hill. It would be a tough grind at the best of times but this one a little harder knowing that I would be going it alone.But I was up early. I had my fuel and bike ready to go. So I clipped in and headed out.It would have been easy to hit snooze and roll over. It would have been easy to cut the workout short. It would have been easy to ease up on effort.But taking the easy route doesn't help us get better.In a way I guess I feed off the opportunity to take on the extra challenge. I feed off the adversity of being in an uncomfortable situation.Because here's the cool thing...When you go when you don't have to...When you complete what you set out to do...When you give your best...You will never have regrets.That being said this doesn't mean all your training should be done independently. In fact there are a number of benefits of group training.And a couple of studies looked at why group training might be better for you.Medical school can be one of the most stressful times for students that choose this path. The researchers of the first study wanted to look at stress and quality of life on students who participated in two different fitness classes and those who didn't exercise at all (1).For 12 weeks, 69 medical students were assigned to one of three groups. The first group was a large fitness class, the second involved training alone or with one or two training partners. And the...