United States Youth records in athletics are the best marks set in an event by an American athlete who will not reach their 18th birthday in the given year of competition.

USATF USA Track & Field (USATF) is the United States national governing body for the sports of track and field, cross country running, road running and racewalking (known as the sport of athletics outside the US). The USATF was known between 1979 a ...

, the United States governing body, does not keep records for the youth division. This list is compiled from IAAF lists and corresponds to IAAF definitions of the age division. USATF keeps outdoor youth division record
here
but the age divisions do not correspond with IAAF divisions and records mostly outdated. A youth could be in the USATF 17-18 year division, but not qualify under the IAAF definition. Additionally, USATF rules limit eligibility for youth records to youth competitions, while IAAF accepts any performance by a qualified athlete in a properly conducted meet. ''

Track and Field News ''Track & Field News'' is an American monthly sports magazine founded in 1948 by brothers Bert Nelson and Cordner Nelson, focused on the world of track and field Track and field is a sport that includes athletic contests based on runni ...

'' also keeps only outdoor records and in many cases their records do not agree with USATF. All indoor records shown on this list are tracked by statisticians not officially sanctioned by the governing body.

Outdoor

Key: h = hand timing
A = affected by altitude

Boys

Girls

Indoor

Boys

Girls

Notes

References

;General:
USATF American youth records – Outdoor
19 December 2018 updated
T&FN American youth records – Boys Outdoor
''10 February 2024 updated''
T&FN American youth records – Girls Outdoor
''10 February 2024 updated'' ;Specific: {{National records in athletics United States youth Youth records Track and field, youth