Power cycle: could tracking periods help female athletes break records? | Medical research | The Guardian
How Sydney McLaughlin broke the 400-meter hurdles world record - Sports Illustrated
Florida teen breaks Usain Bolt's record in 200-metre race | The Independent
Olympics 2016 U.S. Athletes Who Have Broken World Records | Teen Vogue
Track world records: Which athletes have run the fastest times in history? | Sporting News
10 of athletics' most impressive world records - Team Canada - Official Olympic Team Website
How are athletes always breaking world records? - Quora
Record breakers: Have athletes reached their limits? - BBC Sport
As Olympic athletics begins, the data suggests we are at the peak of human ability | Greg Jericho | The Guardian
Black History Month: Did you know these icons hold Guinness World Records titles? | Guinness World Records
Elaine Thompson-Herah Is Now the World's Fastest Woman With Record-Breaking Olympic Win in 100-Meter Dash | SELF
How often do athletes break world records in training? - Quora
Allyson Felix breaks one of Usain Bolt's world records, 10 months after giving birth - National | Globalnews.ca
I'll keep doing this forever': the athletes thriving on America's senior circuit | Athletics | The Guardian
NCAA Indoor Mile Record - Oregon Runners Cooper Teare, Cole Hocker Break Records
FC134: How to Break Records with the Right Mindset Feat. Roger Bannister – StarPlayer Academy
Are We Reaching the End of World Records? - Scientific American
Nigeria's Tobi Amusan wins 100m hurdles gold after breaking record
Sifan Hassan - Dutch Runner Breaks the 10,000-Meter World Record
Avinash Sable breaks 30-year-old 5000 metre record, Bahadur Prasad says wait to congratulate someone is over | Sports News,The Indian Express
Jamaican sprinter Elaine Thompson-Herah breaks Flo-Jo's Olympic record
Sydney McLaughlin Broke Her Own World Record. Again. - The New York Times
