Bamboo (1800s - early 1900s)
Solid bamboo poles were the dominant material before WWII. Light but inflexible; vaulters used a "reach" technique with no pole bend, capping records around 4.40-4.60 m / 14-15 ft.
Modern pole vault poles are made of fiberglass and carbon fiber composite, manufactured by wrapping resin-impregnated fibers around a mandrel. Fiberglass appeared in the early 1960s and replaced metal (steel, aluminum) and bamboo poles, which had dominated since the 1800s. The composite construction allows poles to bend roughly 90 degrees without breaking and to return their stored energy efficiently at takeoff.
Solid bamboo poles were the dominant material before WWII. Light but inflexible; vaulters used a "reach" technique with no pole bend, capping records around 4.40-4.60 m / 14-15 ft.
Hollow metal poles increased durability but added little flex. Cornelius Warmerdam cleared 15 ft 7.75 in (4.77 m) on a bamboo pole in 1942, a record that stood 15 years until aluminum poles finally surpassed it.
Bob Gutowski set a fiberglass-era record in the late 1950s; the technology matured through the 1960s. Modern poles use carbon fiber reinforcement layered with fiberglass for stiffness control. Records jumped from 5.00 m (1962) to 6.26 m (2024) as composite technology advanced.
Fiberglass-carbon composite poles store and release elastic energy at far higher efficiency than metal. The energy returned at takeoff is what carries vaulters from 5 m to 6 m+. AI form check measures how efficiently you transfer approach velocity into the pole.
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