El Guerrouj after winning his first Olympic gold, though really he got down to pray, then kind of rolled over.
Then somebody tossed a flag over him.
Kelly Sotherton after the heptathlon 800m in Beijing:
There's a guy on the ground behind Lagat here:
There's a guy on the ground in the background here:
Several guys on the ground here:
There was a good picture similar to the last one with what looked like it might be the entire Beijing 1500m final on the ground, but I wasn't able to locate it.
I think sometimes it's a matter of the type of race they ran. The typical, championship, slow tactical, sit and kick race prolly won't take a lot out of an elite. But, if it's a fast race from the start, who knows?
Salazar was given last rites at the 1978 Falmouth race
Yuki Kawauchi says he is willing to die in every marathon effort and most often will collapse at each finish
many, many others