One of the best parts of distance running as that because so much can go wrong (or well) at each stage of the race, anyone can do well. Anyone can have a great day. Guys with incredible P.R.'s can have really off days. It's not just a 100m sprint where you are focused on a good start from the blocks and then holding your form for 10 seconds. Way more variables in distance running.
Good to see the USA putting up good performances. 6 in the top 10 for the men's race. Congrats to Meb.
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Hopefully Ryan Hall can put the pieces together sometime soon.