They are all set up the same , with national sponsors , with the change up being the local flavor in the form of races and services .
A must do for runners , and a must see for spectators looking to enter this crazy sport .
runners are all set up the same , with national sponsors , with the change up being the local flavor in the form of races and services .
A must do for runners , and a must see for spectators looking to enter this crazy sport .