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Aerial photo of the Pitt Race facility, including the South Track addition. Pittsburgh International Race Complex offers three track configurations. The North track configuration is 1.600 mi (2.575 km) and the South track covers 1.200 mi (1.931 km). The full course is 2.780 mi (4.474 km) in length and combines both the North and South track.
Transponder timing (also called chip timing or RFID timing) is a technique for measuring performance in sport events. A transponder working on a radio-frequency identification (RFID) basis is attached to the athlete and emits a unique code that is detected by radio receivers located at the strategic points in an event.
The race, which had been 200 laps, was increased to 225 laps for time value purposes. This length was used between 1997 and the last CART race in 2001. [8] The IRL used in 2002, 2003 and 2004 a length of 0.935 miles (1.504 km) for timing and scoring. [9] However, NASCAR stayed to a length of exactly 1 mile until its closing in 2004. [10]
Maple Grove Raceway is a quarter-mile dragstrip located near Mohnton, Pennsylvania, just outside Reading.It opened in 1962 as a 1/5-mile dragstrip. It was eventually lengthened to its current quarter-mile length in 1964.
In 1932 three systems were used: official hand timing, hand started photo-finish times, and the Gustavus Town Kirby timing device, which was designed by Kirby to determine the correct order of finish in horse races. The official report for 1932 Olympics states: "In addition to hand timing, two auxiliary electrical timing devices were used.
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The event began in 1966 with a 100-lap endurance sprint race, seeing Ralph Quarterson as its first winner. Quarterson went on to win the next three events until the race was canceled in 1970. The Western PA Sprint Championship was revived in 1971 and remained a 100-lap event until 1977, where it was reduced to 50 laps.