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50 km walk European records. Men's 100 metres European record progression ... (Men's from page 202–222, women's from page 292–309) Progression of IAAF World Records
The speed at which you should ride a stationary bike for weight loss varies depending on your fitness level and goals. ... (mph) or maintaining a cadence of 60 to 80 revolutions per minute (RPM ...
50 metres, or 50-meter dash, is a sprint event in track and field. It is a relatively uncommon non-championship event for indoor track and field, normally dominated by the best outdoor 100 metres runners. At outdoor athletics competitions it is used in the Special Olympics and a rare distance, at least for senior athletes.
The first world record in the men's 50 metres freestyle in long course (50 metres) swimming was recognized by the International Swimming Federation (FINA) in 1976. In short course (25 metres) swimming events the world's governing body recognizes world records since March 3, 1991.
Indoor tracks longer than 200 meters are considered "oversized" and times are not accepted for record purposes. Indoor sprint races (50 to 60 meters) are held on level straight-aways. American athletes are successful on an international stage with many American records being at the same time world records .
Cadence can be measured via various types of sensors, for example a simple reed switch and a magnet which detects one revolution each time the crank arm passes a point on the frame, or more advanced sensors based on a force sensor (e.g. pedals), torque sensor (e.g. crank arms) or other types of cycling power sensors.
DeWalt Ford Fusion in 2008, driven by Matt Kenseth.. DeWalt Tools sponsored NASCAR driver Matt Kenseth from 1999 through to the season of 2009. In this time period, Kenseth won 18 races, the 2000 Sprint Cup Rookie of the Year Award, 2003 Winston Cup Series Championship, 2004 NEXTEL Cup All Star Race and the 2009 Daytona 500.
The following table shows the world record progression in the women's indoor 60 metres, as recognised by the IAAF. The IAAF have officially ratified world indoor records since 1 January 1987. Previous to this, they were regarded as world indoor bests.