Jeff Riley

About

Jeff Riley is an American ultrarunner from Oregon who was a competitive force on the western United States trail ultra circuit in the mid-2000s, known for a smooth and economical running style that made his performances look effortless even on the roughest desert terrain. He is best known for winning the 2005 Javelina Jundred — the Arizona desert 100-mile event that has since become one of the highest-profile ultras in North America — completing all seven loops through the McDowell Mountain Regional Park in 17:10:40. Race observers noted that Riley held a relentless pace throughout, reportedly stopping to encourage fellow runners during the race — an emblem of the grassroots camaraderie that defined mid-2000s American ultrarunning. He followed that landmark result with a second-place finish at the Quicksilver 50-mile in 2007 in 6:46:23, running strong enough to lead for much of the middle of the race before finishing just behind winner Graham Cooper. He also competed at the Waldo 100K in Oregon in 2005, where observers described his stride as visibly effortless. While his career at the highest competitive level was concentrated in a focused window, his Javelina Jundred victory stands as a confirmed landmark result in one of American ultrarunning's most beloved events.

Notable Wins

• — Javelina Jundred 2005 1st (17:10:40)
• — Quicksilver 50-mile 2007 2nd (6:46:23)

Race History