"Train Mountain Triple Header 2006. This was an 80 car frieght train pulled by a SP Atlantic engineer Jonathan Chase, a UP Northern engineer Randy Chase, and a UP Big Boy engineer Brendon Hilton."
Info from Wikipedia:
Train Mountain Railroad is a miniature hobbyist railroad near Chiloquin, Oregon...
In the 2004 Guinness World Records, Train Mountain is recognized as the “Longest Miniature Hobby Railroad”. At the time Train Mountain was recognized by Guinness, it was reported to have 69,900 feet (13.24 mi; 21.3 km) of 7 1⁄2 in (190.5 mm) gauge mainline track and 133,250 feet (25.237 mi; 40.61 km) of total track including yards, sidings, spurs, and connector tracks. During the following years, approximately 10 additional miles (16 km) of new track has been added.