Ketema Negasa broke the men's 50km world record, running 31 miles in 2:42:07
How Ultrarunner Camille Herron Set Another World Record - The New York Times
China Ultramarathon - 21 Runners Killed by Extreme Weather During 100K
Camille Herron: American ultrarunner breaks own 100-mile women's world record - BBC Sport
What Are The Greatest Ultramarathon Records? These Are 7 Of The Greatest But Not THE Greatest - LetsRun.com
I was born to run: Camille Herron on her ultramarathon records | Guinness World Records
A 50-km ultra-marathon is the shortest ultra-marathon. Figure by... | Download Scientific Diagram
Marathon training - Home | Facebook
24-hour run - Wikipedia
Mokoka breaks 50km world record in ultramarathon debut | The Citizen
Marathon training - Posts | Facebook
Ultra marathon runner, 59, who shared horrific photos of his bloodied face after a 'coyote attack' got the injuries from a FALL, park rangers confirm. : r/ultrarunning
What Does It Take To Break A 100km Running World Record? | The Life Of A Pro Ultra Runner - YouTube
Marathon | SpringerLink
Yiannis Kouros - Greek Greatness | Ultrarunning History
The Woman Who Outruns the Men, 200 Miles at a Time : r/running
Yuriy Galkin sets world age-group record in 24-hour run in Moscow; not to be ratified - Athletics Illustrated
WORLD RECORD! 50 MILE ULTRA MARATHON HOKA PROJECT CARBON X - YouTube
Katie Spotz sets Guinness World Record for most ultramarathons in a row - Canadian Running Magazine
Asia Trail March / April 2017 by Asia Trail magazine - Issuu
Running 100 Miles in Under 11 Hours? Aleksandr Sorokin Breaks the 100-Mile and 12-Hour World Records Again – iRunFar
UltraRunning Magazine Jan/Feb 2016 by UltraRunning Magazine - Issuu
