Riders may compete to come last rather than just near the back.
Five American riders competed, in both individual and team events.
A rider could compete in both events, provided it was on different horses.
The four other riders competed in the 9th through 12th place classification.
The other riders competed in the 7th to 13th place classification race.
All riders compete both on the flat and over fences.
Seven riders from five different nations competed - in practice all 7 were classified H2.
Riders in a time trial compete individually against the clock.
The name would change and riders from around the world would compete.
The riders themselves are competing for nothing more than bragging rights and the personal challenge.