Ultramarathon - Wikipedia

By A Mystery Man Writer

The Man Behind Ultramarathon Man - Trail Runner Magazine

iRunFar: Your Trail Running & Ultramarathon Resource

Spartathlon - Wikipedia

Adventurer Dr Mark Hines

Courtney Dauwalter - Wikiwand

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 and after a few hours the pain prevented him from continuing. He

What is trail running?

World's Toughest Races: These Are the Hardest Races in the World

Cliff Young (self), Prisoner Cell Block H Wiki