is the Silver State event in  Nevada   

http://www.sscc.us/ 

also  www.chihuahuaexpress.com  in Mexico

and the BIG ONE  www.lacarrerapanamericana.com.mx

" if you want to win a race ... run 100 meters

if you want a experiance...run a marathon "

giddy up

And here’s the link to the Sandhills Open Road Challenge event that takes place in Nebraska.  This is a two way event totaling 55 miles but also includes a flying half mile and flying mile event.