Biography · Sports & Achievement
Lynna Irby
1998–
United States
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Lynna Irby-Jackson (born December 6, 1998) is an American track and field sprinter who competes in the 100 m, 200 m, and 400 m dash events. At the 400 m dash, she set an all-time world record at the age of 12 running 54.57 before becoming the fastest American 400 m high school runner in the last 20 years. She gained 16 national titles from Jr Olympic and Youth National meets. Irby has won silver medals in the event at both the 2015 World Youth Championships and the 2016 World Junior Championships.
Sources & collection details
Wikipedia contributors — original record ↗
Biography text · CC BY-SA 4.0 · Source checked 2026-10-20
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