The Americas championship was disbanded at the conclusion of the 2009 season which saw only 13 drivers participate in a race.
The drivers participate in a mix of endurance and sprint events.
The second driver was participating in an illegal street race.
In the three years that this race was contested, 43 drivers participated:
In the six years that this race was contested, 38 drivers participated:
In the first eleven years that this race has been contested, 124 drivers have participated:
The tune-up program could cost more than $5 million, depending on how many drivers participate, the company said.
A more significant number is that 40,000 drivers participated.
On a given track, the drivers can participate in practice, qualifying, time trial and race sessions.
The drivers who were able to do so participated in a 5 lap tribute to Wheldon 10 minutes after the announcement.
