The IAAF Congress at 2011 World Championships in Athletics passed a motion changing the record eligibility criteria effective October 6th 2007, so that women's world records must be set in all-women competitions.
The Association of Road Racing Statisticians, an independent organization that compiles data from road running events, also maintains an alternate marathon world best progression but with standards they consider to be more stringent.
Road racing events like the marathon were specifically excepted from World Athletics rule 260 18(d) that rejected from consideration those track and field performances set in mixed competition. In recognizing Kenyan Geoffrey Mutai's mark of 2:03:02 at the 2011 Boston Marathon as (at the time) "the fastest Marathon ever run", the IAAF said: "Due to the elevation drop and point-to-point measurements of the Boston course, performances are not eligible for World record consideration." "The decrease in elevation between the start and finish shall not exceed an average of one in a thousand, i.e."The start and finish points of a course, measured along a theoretical straight line between them, shall not be further apart than 50% of the race distance.".Further information on the WLTP and NEDC measurement procedures is also available at bmw.de/wltp.įor further details of the official fuel consumption figures and official specific CO2 emissions of new cars, please refer to the following web site also: List of world records in athletics § Criteriaįor a performance to be ratified as a world record by World Athletics, the marathon course on which the performance occurred must be 42.195 km (26.219 mi) long, measured in a defined manner using the calibrated bicycle method (the distance in kilometers being the official distance, the distance in miles is an approximation) and meet other criteria that rule out artificially fast times produced on courses aided by downhill slope or tailwind. WLTP values are used as a basis for the definition of taxes and other vehicle-related levies that are (also) based on CO2 emissions and, where applicable, for the purposes of vehicle- specific subsidies. NEDC values listed have been calculated back to the NEDC measurement procedure where applicable. For ranges, the NEDC figures take into account differences in the selected wheel and tyre size, while the WLTP figures take into account the effects of any optional equipment.Īll figures are already calculated on the basis of the new WLTP test cycle. They refer to vehicles on the automotive market in Germany. Fuel consumption, CO2 emission figures and power consumption were measured using the methods required according to Regulation VO (EC) 2007/715 as amended.
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