World
U20 U20 or U-20 may refer to:
Naval vessels
*
* , a sloop of the Royal Navy
* , a submarine of the Austro-Hungarian Navy
Other uses
* Great truncated cuboctahedron
* Meizu U20, a smartphone
* Roland U-20, a synthesizer
* Small nucleolar RNA SN ...
Records in the sport of
athletics are ratified by
World Athletics. Athletics records comprise the best performance of an athlete before the year of their 20th birthday. Technically, in all under 20 age divisions, the age is calculated "on December 31 of the year of competition"
to avoid age group switching during a competitive season. These age category records were formerly referred to as world junior records.
Outdoor
Key:
h = hand timing
a = automatic timing
+ = en route to longer distance
# = not officially ratified by World Athletics
X = unratified due to inadequate doping control
OT = oversized track (> 200m in circumference)
Men
Women
Mixed
Indoor
Men
Women
Notes
References
External links
*World Athletics
World U20 Records
{{Junior athletics
Junior
World