Bart Yasso, the "mayor of running", is Runner's World's Chief Running Officer.[1] Yasso is one of a few people to have completed races on all seven continents, including the Mount Kilimanjaro marathon, and won the 1987 U.S. National Biathlon Long Course Championship.[2]
Among marathon trainers, Yasso is the namesake of the "Yasso 800s,"[3] believed to be an indication of marathon goal time.[4]
He is a member of the Running USA Hall of Champions for both his accomplishments and his work to promote the sport of running.[5]