The U.S. men secure silver as part of 9th WMRA World Long Distance Challenge.
Morgan Arritola earns the women's individual bronze medal.
She netted a $5000 bonus for breaking the 31-year-old record.
Over 150 competitors took part.
It was the fourth consecutive XTERRA National Championship for King.
Max King and Kasie Enman are crowned world champions in Tirana, Albania.
Trail running ace Max King headlines the men's squad.
He won two marathons in two days.
Both runners put forth top 12 all-time performances.
He was killed in a bomb blast in Afghanistan last year.