Surprisingly, Riddick never achieved much success at the USA National Championships outdoors during his career - his best was fourth in the 100 m (in 1974, 1977, 1978 and 1979) and fifth in the 200 m (in 1977 and 1979)A History Of The Results Of The National Track & Field Championships Of The USA From 1876 Through 2003 , Track and Field News. - he was, however, twice United States champion indoors at 60 y in 1977 and 1979.USA Indoor Track & Field Champions, Men's 60 m, USA Track and Field. His indoor successes in 1977 led him to being voted Track and Field News's indoor athlete of the year.
