In rallying

Rallying

Rallying, also known as rally racing, is a form of auto racing that takes place on public or private roads with modified production or specially built road-legal cars...

, a competitors' due time is simply the time that they are due at the next time control. If the crew arrive on or before their due time, they will incur no time penalty. In practice, because determining a winner depends on being able to sort finishers in order of accrued penalty points (those with the fewest wins), due times are usually set to be very difficult if not impossible to attain.

Due times can be specified using ordinary time of day, or using special timing schemes such as targa timing

Targa timing

Targa timing is a system of timing used in car rallying. It was invented by John Brown, the Clerk of the Course for the Targa Rusticana, a road rally that used to be run in the United Kingdom in the 1960s by Oumdc...

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Example

On a particular rally, cars are started at one minute intervals. Car 1 starts a section at 02.35 and the section is 12 miles long. Set at an average speed of 30 mph, the section should take exactly 24 minutes. Therefore their due time is 2.35 + 24, which is 2.59. If they arrive at the time control at 3.01, they will accrue 2 minutes penalty.