Gary Cantrell (a.k.a. Lazarus Lake) created the Barkley Marathons. He was once a talented runner. Learn his background leading up to the birth of the Barkley.

Trail 100-milers, organized by the LDWA started to be held in Great Britain in 1973, four years before the Western States 100 was established in America.

The Lake Waramaug 100K ultramarathon in Connecticut, was the first 100K ultramarathon established in America, in 1974. The top ultrarunners in America competed

Grand Canyon rim to rim hikes and runs become very popular as thousands descend into the Canyon each year. Fastest known times for R2R and R2R2R run at broken.

During the 1970s and 1980s the Grand Canyon felt growing pains from thousands of hikers going down and thousands of planes and helicopters going up.

The Spartathlon (153 miles) from Athens to Sparta, Greece, was first held in 1983. Yiannis Kouros, of Greece, and Eleanor Adams of England, were the winners.

Grand Canyon Rim to Rim History 1950-1964. The Gemini and Apollo Astronauts hike down to Phantom Ranch and back, including Neil Armstrong

Davy Crockett is the 15th person to finish 100 100-mile races, Director of the American Ultrarunning Hall of Fame, and host of the Ultrarunning History Podcast.

Grand Canyon Rim to Rim History 1927-1949. In 1932, the Grand Canyon Lodge on the North Rim burned down. The Roaring Springs Cave is discovered and explored.

Phantom Ranch, at the bottom of the Grand Canyon, was established in 1922, with four cabins, a lodge with a kitchen, and a dining hall, and a new orchard