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

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

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

Grandmaster Ultras - Ultrarunning, Trail Running

FUC - Flagstaff Ultra-Running Club

Age-Old Runners Archives – iRunFar

iRunFar: Your Trail Running & Ultramarathon Resource

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

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

Bluegrass Runner: February 2019

Introducing the Age-Old Runners Series Version 2.0! – iRunFar

Ultras or Eating Competitions: Eating for Ultramarathons – iRunFar

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

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