Figure 7.
Race time in 5-year age groups. Arrows denote age of peak performance. Error bars represent standard deviations; ◯ = women, ● = men.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.