Lopez has a look of concern at the two hour spot.

Robyn has classic form.

DQ (disqualification) board by race number and up to three violations (red circles) that must be validated after being reported from the seven evenly distributed judges on course. Three violations could lead to disqualification.

Casteneda cools down three hours into race.

AJ refreshes

Allen self treats hamstring.

Updated DQ board over three hours into event and 3/4 into loop. Blue finish tent is 300 meters away.

Casteneda heads to finish line and Velasquez has two laps to go

Casteneda wins international division in 4:09:13.

Nick wins USATF 50km National Championship in 4:10:53.