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  2. Peter Riegel - Wikipedia

    en.wikipedia.org/wiki/Peter_Riegel

    Race time prediction formula, running course certification. Peter Riegel (January 30, 1935 – May 28, 2018) was an American research engineer who developed a mathematical formula for predicting race times for runners and other athletes given a certain performance at another distance.

  3. Portsmouth Yardstick - Wikipedia

    en.wikipedia.org/wiki/Portsmouth_Yardstick

    Corrected Time = Elapsed Time × Scale / Handicap; where Scale is 100 for US and AUS numbers, and 1000 for UK numbers, and Handicap is the applicable Portsmouth Number for the given class of boat. Each boat's time is adjusted with the formula, and then the adjusted scores are compared to determine the outcome of the race.

  4. Games behind - Wikipedia

    en.wikipedia.org/wiki/Games_behind

    Games behind is calculated by using either of the following formulas, in which Team A is a leading team, and Team B is a trailing team. Example math in this section uses the above standings, with Montreal as Team A and Atlanta as Team B.

  5. Beyer Speed Figure - Wikipedia

    en.wikipedia.org/wiki/Beyer_Speed_Figure

    The Beyer Speed Figure is calculated by looking at the final time and distance of the race, adjusted by the track variant, which is a measure of the inherent speed of the racetrack in question. The track variant considers both the historical average time at the racetrack for the distance in question, called the "par time", and the average speed ...

  6. Performance Handicap Racing Fleet - Wikipedia

    en.wikipedia.org/wiki/Performance_Handicap...

    Performance Handicap Racing Fleet (PHRF) is a handicapping system used for yacht racing in North America. It allows dissimilar classes of sailboats to be raced against each other. The aim is to cancel out the inherent advantages and disadvantages of each class of boats, so that results reflect crew skill rather than equipment superiority.

  7. Speed index - Wikipedia

    en.wikipedia.org/wiki/Speed_index

    To calculate a specific speed index for a specific horse in a specific race, the time the horse finished in is compared to the averaged speed for the distance the race was, and points are added or subtracted based on whether the time was faster or slower than the average.

  8. Fully automatic time - Wikipedia

    en.wikipedia.org/wiki/Fully_automatic_time

    The system is commonly used in track and field as well as athletic performance testing, horse racing, dog racing, bicycle racing, rowing and auto racing. In these fields a photo finish is used. It is also used in competitive swimming, for which the swimmers themselves record a finish time by touching a touchpad at the end of a race. In order to ...

  9. List of motorsports points scoring systems - Wikipedia

    en.wikipedia.org/wiki/List_of_motorsports_points...

    In addition, there may be bonus points for fastest training laps, fastest race laps, leading laps or other individual criteria. In some racing series, for example the ARCA Menards Series, full time entries [clarification needed] get additional points after a predetermined number of races. Drivers who do not take part in the series full-time but ...