Ultramarathon - Wikipedia

Regarding yesterday's post about 6-day race in Sweden. My friend Bo Pelander didn´t break the world record for M80. All was looking good but early this morning he got severe back problems

Ultramarathon Man: Confessions of an All-Night Runner, Athlepedia, The Athletics Wiki

Cliff Young (self), Prisoner Cell Block H Wiki

Western States Endurance Run - Wikiwand

Top 5 Mistakes in Ultramarathon: Avoiding Common Pitfalls - Trail And Ultra RunningTrail And Ultra Running

Sardinia Ultramarathon - Wikipedia

Gary Robbins

Ultra-marathon hero fined for popping champagne after 2,189-mile run - Eurosport

Do marathon runners live shorter lives due to the physical stress their heart takes (I was told so by the doctor)? - Quora

Badwater Ultramarathon - Alchetron, The Free Social Encyclopedia

24-hour run - Wikipedia

Hal Koerner - Wikipedia

Al Marmoom Ultramarathon - Wikipedia

Badwater Ultramarathon – Wikipedia

Scott Jurek - Wikipedia