The Grandmaster Ultras: Ultramarathons Made for Grandmaster-Age Athletes – iRunFar

Beiyi Zheng and Daniel Wilson wanted an ultra where grandmaster-age athletes could finish before the cutoff — so they made their own.

Grandmaster Ultras - Ultrarunning, Trail Running

Grandmaster Ultras - 100 Mile, 100k, 50 Mile, 50k - UR Ultra

Ultras or Eating Competitions: Eating for Ultramarathons – iRunFar

Underrated Ultra Performances: North Americans Who Dominate – iRunFar

Grandmaster Ultras - 100 Mile, 100k, 50 Mile, 50k - UR Ultra

The Grandmaster Ultras: Ultramarathons Made for Grandmaster-Age Athletes – iRunFar

Columns Archives – Page 13 of 73 – iRunFar

Age-Old Runners Archives – iRunFar

Grandmaster Ultras — ATRA

Grandmaster Ultras: Apologies to the Youngsters - Ultra Running Magazine