Cox set the American record for the 50k at the P.F. Changs Arizona Rock 'n' Roll Marathon in 2011. He missed the world record by seven seconds. The course was extended for him after the marathon finish line. He won the P.F. Changs Marathon (2:17:32) en route to the 50k record (2:43:45). He beat his previous record set in Arizona in 2009 (2:47:17). See a post race interview here.
Tickets for the pasta feed are available on the active.com Fargo Marathon site.