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  2. California bearing ratio - Wikipedia

    en.wikipedia.org/wiki/California_bearing_ratio

    The CBR test is a penetration test in which a standard piston, with a diameter of 50 mm (1.969 in), is used to penetrate the soil at a standard rate of 1.25 mm/minute. Although the force increases with the depth of penetration, in most cases, it does not increase as quickly as it does for the standard crushed rock, so the ratio decreases.

  3. Ineos 1:59 Challenge - Wikipedia

    en.wikipedia.org/wiki/INEOS_1:59_Challenge

    Nike announced the race would take place at the Monza Circuit near Monza, Italy, where Kipchoge ran a half marathon personal best of 59:17 during a test event. [9] The course was 2.4 kilometres (1.5 mi) long which meant the run would consist of about 17.5 laps around the course. [10]

  4. List of masters world records in road running - Wikipedia

    en.wikipedia.org/wiki/List_of_masters_world...

    This is a list of world records for Masters age groups in the sport of road running.The world governing body for masters athletics is World Masters Athletics (WMA). WMA conducts various world championships in what are called "non stadia" events, meaning races not held in the confines of a stadium.

  5. Index of athletics record progressions - Wikipedia

    en.wikipedia.org/wiki/Index_of_athletics_record...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  6. Half marathon world record progression - Wikipedia

    en.wikipedia.org/wiki/Half_marathon_world_record...

    On 30 March 1991, Arturo Barrios ran a world record distance of 21.101 km in one hour, becoming the first man to run the half marathon distance in under one hour. [11] On 3 April 1993, Moses Tanui became the first man to run a half marathon race in under one hour, with a time of 59:47. [12]

  7. List of largest running events - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_running_events

    Marathon, half-marathon, 10 km, 5 km 73,206 [16] [17] 11 Hong Kong Marathon: Hong Kong: Hong Kong: 15 January 2015 Marathon, half-marathon, 10 km, 10 km wheelchair race, 3 km wheelchair race 73,070 [18] 12 Round the Bays: Auckland: New Zealand: 10 March 2013 8.4 km 70,000 [19] 13 JPMorgan Corporate Challenge: Frankfurt Germany 7 June 2018 5.6 km

  8. Breaking2 - Wikipedia

    en.wikipedia.org/wiki/Breaking2

    Breaking2 was a project by Nike to break the two-hour barrier for the marathon. Nike announced the project in November 2016 and organized a team of three elite runners who trained for a private race. The event was held on the Formula One race track Autodromo Nazionale di Monza in Italy on May 6, 2017. [1] [2] [3] [4]

  9. Pacemaker (running) - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_(running)

    Rabbits Abel Kirui, Elijah Keitany [] and Wilson Kigen [] pacing Haile Gebrselassie and Charles Kamathi at the Berlin Marathon 2008. A pacemaker or pacesetter, sometimes informally called a rabbit, [1] is a runner who leads a middle-or long-distance running event for the first section to ensure a high speed and to avoid excessive tactical racing.