The race is limited to 40 athletes on an invitation-only basis and attracts participants from around the world, including Argentina, Brazil, Canada, Italy, Mexico, Puerto Rico, Spain, Sweden, Slovenia and the United States. Racers must have reached their 20th birthday prior to the start of stage one.
The competition is restricted to 40 athletes on a selective, by-invitation-only basis and draws participants from across the globe, including Argentina, Brazil, Canada, Italy, Mexico, Puerto Rico, Spain, Sweden, Slovenia, and the United States. Competitors must have reached their 20th birthday prior to the commencement of stage one.