Nineteen runners completed the course, including three of the six 100/1 shots.

To give you some perspective, 459 runners in the last marathon completed the course in less time.

Almost 3000 runners completed the course at the race held in 2010.

To qualify for an ultra race, runners must have completed a full marathon in under three hours 30 minutes.

Approximately 400 runners completed the race in near whiteout conditions.

By 2009, an estimated 467,000 runners completed a marathon within the United States.

The taping will be done to make sure each runner crossing the finish line has completed the entire course.

To qualify for the last race, runners must have successfully completed two of the other three races.

In 2008, 176 runners and 43 relay teams completed the marathon distance.

To date, over 300,000 runners have completed the race.