In Formula 1, the term "interval" refers to the time gap between the named driver and the one ahead. It is usually written next to the drivers name leading the race, and beneath next to the second-placed driver will be a time such as +3.450. The time indicates that the driver in second is 3.450 seconds behind the leader. The same meaning will apply for all the times in the column next to drivers names under the word "interval". If the interval is less than +1.000, F1 drivers can trigger DRS to gain a speed boost in their bid to overtake those ahead of them.