Time attack

Time attack racing is a type of motorsport where the racers compete for the best lap time. Each vehicle is timed through circuits of the track. The racers make a preliminary circuit, then run the timed laps, and then finish with a cool-down lap.

Time attack and time trial events differ by competition format and rules. Time attack has a limited number of laps, time trial has open sessions.

Unlike other timed motorsport disciplines such as sprinting and hillclimbing, the car is required to start off under full rolling start conditions following a warm up lap where they will have to accelerate out as fast as possible to determine how fast they enter their timed lap. Commonly, as cars consist of modified road going cars, cars are required to have tires authorized for road use.

Time attack events began in Japan in the mid-1960s. They have since spread around the world. An international event known as World Time Attack Challenge has been held at Sydney Motorsport Park, Australia since 2010 attracting the fastest time attack teams from around the globe to compete.

National Auto Sport Association Time Trial (NASA TT) series is a national auto competition program, utilizing regional series based on a time trial style format, with rules that establish car classifications to provide a contest of driver skill. NASA TT is designed to bridge the gap between NASA HPDE (High Performance Driving Events), and wheel-to-wheel racing.

NASA TT provides a venue for spirited on-track competition with a high degree of both safety and convenience. NASA TT competition will take place during NASA HPDE-4 sessions or in separate TT run groups, depending on the event schedule and number of participants. In addition to having a set of National NASA TT Rules, the rules, safety guidelines, and driving requirements of the HPDE-4 program apply to NASA TT. These rules can be found in the NASA CCR (Club Codes and Regs).

Many computer and video games include a time attack (or time trial) mode, in which the main goal is to complete levels — or, in some cases, the entire game — as quickly as possible. This mode prioritizes completion time ahead of other measures of success such as high scores. In cases where a game does not have a dedicated time attack or trial mode, a fast completion is frequently known as a speedrun.

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