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.

FUC - Flagstaff Ultra-Running Club

Underrated Ultra Performances: North Americans Who Dominate – iRunFar

Grandmaster Ultras: Apologies to the Youngsters - Ultra Running Magazine

Something for Everyone: How Generous Cutoff Times Contribute to Our Sport's Diversity – iRunFar

FUC - Flagstaff Ultra-Running Club

Ultras or Eating Competitions: Eating for Ultramarathons – iRunFar

Bluegrass Runner: February 2019

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

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

Squirrel's Nut Butter SA

Underrated Ultra Performances: North Americans Who Dominate – iRunFar

Bluegrass Runner: February 2019

Ultras or Eating Competitions: Eating for Ultramarathons – iRunFar