Pepiot's celebration has received a ton of attention this week but there are a ton of other instances where runners celebrated too early and it cost them in much more prominent races.
I think we should come up with an all-time list. Here we go:
Makhloufi's 800 last year was one I can immediately think of:
Adriana Pirtrea's (Nelson) 2007 Chicago Marathon was an even more prominent race and the one most cringeworthy to watch
https://www.youtube.com/watch?v=Ulua1gT_WMc
Let's see them?