Career
Murro held the United States record in men"s javelin throw from 1969 to 1982 and competed in the 1968 Summer Olympics. Murro broke the national high school record in men"s javelin throw in 1967, throwing 252 ft 8 in (7701 m). Murro was the top American at the Olympics, throwing 80.08 m (262 ft 8 1⁄2 in) and placing ninth.
Track & Field News ranked him as the world"s 10th best javelin thrower that year.
The magazine put him on the cover of its April 1969 issue. Murro continued improving in the next years, breaking Covelli"s American record with a throw of 292 ft 8 in (8921 m) in Tempe, Arizona on May 23, 1969.
He was ranked fourth in the world that year, behind Jānis Lūsis, Pauli Nevala and Jorma Kinnunen. Murro broke his own American record on March 27, 1970, again in Tempe.
With his throw of 300 ft 0 in (9144 m) he became the first American to reach 300 feet, as well as the first to break 90 meters.
However, two months later at the Compton Invitational he slipped while throwing and sprained his ankle, missing the National Collegiate Athletic Association meet and failing to qualify for the national championship final as a result. While he continued competing, he never regained his pre-injury level In 1970 he ranked a career-best third in the world, behind Nevala and Manfred Stolle, but after that year he never featured in the world"s top 10 again.
At the 1972 Olympic Trials Murro placed eighth and failed to qualify for the Olympic team