Bobby Douglass has the most games by a Bears quarterback with 40+ rushing yards in a season, with 12 games in 1972.

most games of 40 rushing yards in a season by a bears qb
Interpreted as:
most games of 40 or more rushing yards in a season by a bears qb
1972Douglass1973Douglass1969Douglass2018Trubisky2000McNown1974Douglass2017Trubisky2003Stewart1989Harbaugh1984McMahon1980Evans1971Douglass1968Carter1991Harbaugh1990Harbaugh1983McMahon1981Evans1961Wade2020Trubisky2019Trubisky2011Hanie2002Burris1997Kramer126655433333332222211111
NAMESEASONTMGPRUSH YDSATTRUSH AVGRUSH YDS/GRUSH TDREC YDSRECTRGREC AVGREC YDS/GREC TD
Bobby DouglassBobby Douglass1972CHICHI129161277.276.37000.00
Bobby DouglassBobby Douglass1973CHICHI6383646.063.85000.00
Bobby DouglassBobby Douglass1969CHICHI6354399.159.02000.00
Mitchell TrubiskyMitchell Trubisky2018CHICHI5275338.355.010000.00
Cade McNownCade McNown2000CHICHI5287407.257.430000.00
Bobby DouglassBobby Douglass1974CHICHI4199336.049.81000.00
Mitchell TrubiskyMitchell Trubisky2017CHICHI3150169.450.010000.00
Kordell StewartKordell Stewart2003CHICHI3165305.555.010000.00
Jim HarbaughJim Harbaugh1989CHICHI3161227.353.70000.00
Jim McMahonJim McMahon1984CHICHI3149159.949.71000.00
Vince EvansVince Evans1980CHICHI3166179.855.32000.00
Bobby DouglassBobby Douglass1971CHICHI3183199.661.00000.00
Virgil CarterVirgil Carter1968CHICHI3150246.350.02000.00
Jim HarbaughJim Harbaugh1991CHICHI288118.044.00000.00
Jim HarbaughJim Harbaugh1990CHICHI294118.547.01000.00
Jim McMahonJim McMahon1983CHICHI2117148.458.50000.00
Vince EvansVince Evans1981CHICHI297118.848.50000.00
Billy WadeBilly Wade1961CHICHI280117.340.01000.00
Mitchell TrubiskyMitchell Trubisky2020CHICHI145145.045.000000.00
Mitchell TrubiskyMitchell Trubisky2019CHICHI163106.363.010000.00
Caleb HanieCaleb Hanie2011CHICHI150510.050.000000.00
Henry BurrisHenry Burris2002CHICHI152510.452.000000.00
Erik KramerErik Kramer1997CHICHI142410.542.00000.00
Jim HarbaughJim Harbaugh1993CHICHI15687.056.00000.00
Jim HarbaughJim Harbaugh1992CHICHI14066.740.00000.00
StatMuse has game-level data for rushing yards going back to the 1960 season.

See Trending NFL Searches