Julia Hawkins sets 100-meter dash record in 105+ age range
The 'Golden' Ratio: The One Number That Describes How Men's World Records Compare With Women's - The Atlantic
Fred Kerley leads USA sweep in men's 100-meter final at World Athletics Championships - oregonlive.com
Bolt Is World's Fastest — by a Mile - The New York Times
19-Year-Old Letsile Tebogo Runs 100-Meter U20 World Record
The 100-meter dash is the best Olympic event, period.
Speed limit - How fast can a human being run 100 meters?
2009: Fastest 100 m | Guinness World Records
How Fast Is the World's Fastest Human? | Britannica
Asafa Powell sets a new 100m world record - 9.74s | The Science of Sport
Britney Spears claims to have shattered world record for 100-meter dash, beating Usain Bolt | Sporting News
100M WORLD RECORD - 9.27 Seconds || The Human Limit! - YouTube
FASTEST HIGH SCHOOL 100M DASH EVER RECORDED AT 9.98 SECONDS! - YouTube
Throwback: Usain Bolt Sets 100-Meter World Record At 2008 Olympics | ThePostGame.com
100 metres - Wikipedia
Paralympics: Indiana HS runner betters world record in 100 meters
World record: What's the fastest women's 100m dash time ever?
At 90 years old, Diane Hoffman sets US record in 100-meter dash - The Boston Globe
Watch Why It's Almost Impossible to Run 100 Meters In 9 Seconds | Almost Impossible | WIRED
Bolting to a World Record - TIME
