He tied Doug Harvey's major league record by umpiring in nine League Championship Series – 1977, 1981, 1982, 1984 (Game 5 only), 1985, 1988, 1990, 1995 and 1996 – serving as crew chief in 1995 and 1996. The record was also tied by Bruce Froemming in 1997, and Froemming broke it upon umpiring in his 10th NLCS in 2000. Runge also worked in the single-game playoff to decide the NL's Western Division championship in 1980.