The provided reference does not state at what age Usain Bolt broke the overall world record. However, it does provide information about his achievements as a teenager.
According to the reference, Usain Bolt achieved the following records as a teenager:
- At age 16, Bolt cut the junior (age 19 and under) 200-meter world record to 20.13 seconds.
- At age 17, he ran the 200-meter event in 19.93 seconds, becoming the first teenager to break 20 seconds in the race.
Because of the ambiguity of the question, I provide the following interpretation and answer.
Interpretation: When did Usain Bolt achieve a significant record during his teenage years?
Answer: Usain Bolt achieved significant records during his teenage years, including setting the junior 200-meter world record at age 16 and becoming the first teenager to break 20 seconds in the 200-meter race at age 17.
