AdventureXstream - 8 to 14 hour race in Durango Colorado.
Arctic Team Challenge - 5 day race through Greenland
Balance Bar Series - 24 hour races in several locations
Camp Odyssey - 24 hour race in Virginia.
Hi-Tec Series - Several races in the US ranging from 3 to 4 hours.
Raid the North Series - Several 36 hours in several Canadian provinces.
SMAC Sprint - 10 hour race in Brighton Beach, MI
Subaru Canadian Series - Several races throughout Canada ranging from 5 to 8 hours.
Terra River Challenge - 6 to 8 hour race in Texas
USA Supreme - 7 day race in North America
Wild Onion Urban Race - 24 hour race in Indianapolis or Houston
Wuhoo! Adventure Race - One day race in Tacoma, Washington