31.   Most of the runners do it for the adrenaline rush.

32.   No adrenaline rush.

33.   Not much adrenaline rush.

34.   One of them craves the adrenaline rush of armed robbery.

35.   Ron Beier recalls as the greatest adrenaline rush of his life a fleeting moment a decade ago as he ran the narrow streets of Pamplona, Spain.

36.   Scenes like these evoke the adrenaline rush that every writer feels during a creative streak when words and images are clicking into sentences and paragraphs.

37.   Roger Clemens, pitching in a Yankees cap in Fenway for the first time, had appeared to overcome his usual big-game adrenaline rush.

38.   She acknowledged that at times she missed the adrenaline rush of the newsroom.

39.   She can maintain a normal heart rate despite the natural adrenaline rush that comes with a pressure situation like shooting for the national title.

40.   Sosa gets an adrenaline rush at Wrigley just by hearing people react when he steps onto the field.