American Runs 450 Miles In 108 Hours To Smash Backyard Ultra Record - The Running Channel

Harvey Lewis was crowned the last man standing at the Big Dog Backyard Ultra in Tennessee with his record-breaking 450-mile run.

Capital Backyard Ultra Run Group

Rick's Month in Running - October '23 - The Running Channel

Backyard Ultra Series

American Runs 450 Miles In 108 Hours To Smash Backyard Ultra Record - The Running Channel

Should You Run Fasted To Run Faster? - The Running Channel

Laps, laps, LAPS! 4.16 miles per hour, every hour COWSHED BACKYARD ULTRA! Part 1 - Al Pepper Runs

A Record-Breaking Year At The Western States 100 - The Running Channel

Harvey Lewis - Ultra Runner

Jess' Month in Running - October '23 - The Running Channel

100 miles around Mount Fuji on 'Asia's most important' race - The Japan Times

UltraSignup - Races, Registration and Results

Kodiak

Running 250 km through the desert: it's time for the Marathon des Sables - Canadian Running Magazine

Ultra Night Run Vancouver - Ultra Night Run