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 event is capped at 40 athletes who are invited to participate, with competitors coming from all over the world, including Argentina, Brazil, Canada, Italy, Mexico, Puerto Rico, Spain, Sweden, Slovenia, and the United States. To be eligible, racers must have turned 20 by the start of stage one.