A ridiculous career with longevity and relevancy only rivaled by Geb.
I met Lagat as a 17 year old in 2003 at Nike Borderclash. Super nice guy in person and was very gratuitous and happy to sign autographs for a bunch of nerdy high schoolers (Rupp included).
I've seen him more recently as the "Meb" for USA track: a successful runner who is also a very positive force on the scene. People, especially here, quibble about his past, but I think he's been clean for some time and has helped push USA distance running to the place it currently stands. His transition to the US teams in the mid-2000's coincided with Webb/Hall/Ritz and then Teg/Solinsky's rise to put USA distance on the world map.