and chrissie welington is here now. thanks for joining us. i love watching the images of you. it's quite a moniker to be one of the greatest athletes of all time. the there's so much to learn from you. you talk about training your brain. what do you mean by that? >> i firmly believe to be a good athlete, whether professional or otherwise, you have to be physically strong but you have to be mentally strong. you have to have a mind tat's able to overcome, you know, the down times, the hard times, and the discomfort, and i believe there are tools and strategy that you can use as an athlete and that use can actually develop. whether it's visualization or a bank of really positive inls in your mind of family and friends or pizza at the finish line, you know, you've really got to keep a very positive mental output and that has helped me become four-time iron man champion. >> there's a point in the race for everybody where you dwloink don't think you can dig any deeper and that's where the mental kicks in. something else, chrissie, a lot of people thing of this as a fringe sport or d