| Title | Author | Description | Download |
| Western States 100 on Foot: The Forgotten First Finishers | Davy Crockett | In 1972, 20 soldiers from Fort Riley Kansas attempted to march the Western States Trail Ride course. Seven made it. They were the first, two years before Gordy Ainsleigh | |
| Swift Endurance Legends – The Fastest 100-Mile Ultrarunners During the 1970’s, 80’s and 90’s | Davy Crockett | An 183-page online book. 23 page summary of 100-mile ultra history from 1970-2000. Detailed running biographies of the fastest 100-milers of that era. | |
| Endurance Ride Roots | Davy Crockett | Early 100-miler trail races, Western States, Old Dominion, and Vermont have their roots in Horse Endurance Races. | |
| My Path to Ultrarunning | Davy Crockett | Davy Crockett’s personal ultrarunning story. |
