He was just leading and gassed, missed a water/fuel stop at a crucial point and ran out of fuel. He is fine.
Spot on. I'd also add that leading into a headwind for 19 miles while running down hills(taking a pounding on the legs) will absolutely do that to you. He simply ran out of fuel. Also, remember, he was running agains 4 studs that that point, with Geay and Cherono being ranked in the top ten all time, plus another Boston Champ. He is fine, he is human but when he is on, he is on. This is not the beginning of the end. Dude just set a world record 9 months ago, he wouldn't just be done now. He will win NYC, come back in the 2024 for Boston and run smarter and hopefully win.