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The proper length of the first lane of a competitive running track is 400 m (1,312.3 ft). Some tracks are not built to this specification, instead being a legacy to imperial distances such as 440 yd (402.336 m), equivalent to a quarter of a mile.
High School Name High School Location Meet Location Meet Name Date Ref. 100 y: 10.3 Chandra Cheeseborough: Ribault High School: Jacksonville, Florida: 1977 100 m: 10.89 (+0.9 m/s) Shawnti Jackson: South Granville High School: Creedmoor, North Carolina: Nashville, Tennessee: Music City Track Carnival June 3, 2023 [54] 11.00 (+1.5 m/s) Mia Brahe ...
American Fork High School: American Fork: 2017 Distance medley relay: 9:57.88 Atlantic Community High School: Atlantic Community: 2001 800 m Sprint medley relay (1-1-2-4) 1:28.43 Long Beach Polytechnic High School: Long Beach Poly: 2007 1600 m Sprint medley relay (2-2-4-8) 3:26.36 Los Alamitos High School: Los Alamitos: 2016 4 × 110 m Shuttle ...
Alan Webb, the high school record holder. This is a list of American high school students who have run a four-minute mile since the feat was first accomplished in 1964.. The first person to run the mile (1,760 yards, or 1,609.344 metres) in under four minutes was Roger Bannister in 1954, in a time of 3:59.4. [1]
Track gauge or rail gauge (also known as track gage in North America [8]) is the distance between the inner sides (gauge sides) of the heads of the two load bearing rails that make up a single railway line. Each country uses different gauges for different types of trains.
This has resulted in greater diversity of player heights despite the league maintaining a generally constant average height, while the average player weight has generally decreased. [43] The average height of an NHL player is just over 6 ft 1 in (1.85 m) tall. Zdeno Chára, at 6 ft 9 in (2.06 m), is the tallest player ever to play in the NHL.
10th fastest in high school 400 meters hurdles: 49.78 Reggie Wyatt: La Sierra High School: 2009 5th fastest in high school 4x100 meters relay: 39.80 Oscar Dean Wyatt High School: 1998 2nd fastest in high school 4x200 meters relay: 1:23.67 Oscar Dean Wyatt High School: 1998 7th fastest in high school 4x400 meters relay: 3:08.05 New Bern High ...
The Hallade method, devised by Frenchman Emile Hallade, is a method used in track geometry for surveying, designing and setting out curves in railway track. [1] It involves measuring the offset of a string line from the outside of a curve at the central point of a chord. In reality, string is too thick to provide a clear reading and breaks ...