I was having an argument with a friend. I know that Lagat is America's best distance runner currently active while m friend won't listen to reason and believes that rupp is because he says he has better range. While I admit that rupp is a great runner and has been gotten very good he still isn't at lagat's level just yet. Saying that rupp has better range isn't quite fair or acurate to say. Just because rupp has raced a half marathon and 10k doesn't mean that lagat couldn't beat him at any distance up to 10k. What are some reasons why Lagat is the best American ?