The U.S. Cross Country Ski Team athletes trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah 
Photo: Pete Vordenberg/U.S. Ski Team
The U.S. Cross Country Ski Team trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah including (from left) Kikkan Randall, Sadie Bjornsen, Jessie Diggins and Liz Stephen. (c) 2011 USSA/Tom Kelly
The U.S. Cross Country Ski Team trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah including (from left) Kikkan Randall, Sadie Bjornsen, Jessie Diggins and Liz Stephen. (c) 2011 USSA/Tom Kelly
The U.S. Cross Country Ski Team trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah including (from left) Liz Stephen , Sadie Bjornsen, Jessie Diggins and Kikkan Randall. (c) 2011 USSA/Tom Kelly
The U.S. Cross Country Ski Team athlete, Jessie Diggins, trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah 
Photo: Pete Vordenberg/U.S. Ski Team
The U.S. Cross Country Ski Team's Jessie Diggins trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah. (c) 2011 USSA/Tom Kelly
The U.S. Cross Country Ski Team trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah including (from left) Kikkan Randall, Sadie Bjornsen, Jessie Diggins and Liz Stephen. (c) 2011 USSA/Tom Kelly
The U.S. Cross Country Ski Team trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah including (from left) Kikkan Randall, Sadie Bjornsen, Jessie Diggins and Liz Stephen. (c) 2011 USSA/Tom Kelly
The U.S. Cross Country Ski Team trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah including (from left) Liz Stephen , Sadie Bjornsen, Jessie Diggins and Kikkan Randall. (c) 2011 USSA/Tom Kelly
The U.S. Cross Country Ski Team athletes trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah
Photo: Pete Vordenberg/U.S. Ski Team
The U.S. Cross Country Ski Team athletes trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah 
Photo: Pete Vordenberg/U.S. Ski Team
The U.S. Cross Country Ski Team athletes trains with roller skis on the Olympic trails at Soldier Hollow near Midway, Utah
Photo: Pete Vordenberg/U.S. Ski Team
See photo in original gallery.