The crown jewel of the XTERRA Trail Run Series is the XTERRA Trail Run World Championship, and the majestic Kualoa Ranch in Hawaii has served as the host site since the creation of this prestigious event in 2008. A 21-kilometer half-marathon course is considered the world championship course, and it takes runners through some of the most diverse – and scenic – terrain on the planet. It is worth noting that there is no qualifying process to enter the XTERRA Trail Run…