“I guess that people who run marathons for fun haven’t heard about sex and booze” and “I bet people who run marathons for fun haven’t heard about sex and alcohol” are jocular sayings that have been printed on images.
   
“I guess that people who run marathons for fun haven’t heard about sex and booze” (shown on an image) was posted on Twitter by David Voth on May 25, 2016.
 
“I BET PEOPLE WHO RUN MARATHONS FOR FUN HAVEN’T HEARD ABOUT SEX AND ALCOHOL” (shown on an image) was posted on Facebook by Beer Memes on October 30, 2021.
 
“Do people who run marathons know about cars?” is a related saying.
     
   
Twitter   
Debra Jenn
@DebraKrein
People who run marathons for fun have obviously never experienced actual fun, and that’s just sad.
3:43 PM · Oct 30, 2013
   
Twitter
Stephen Murphy
@Stmurphy16
People who run marathons for ‘fun’ clearly have a different understanding of the word fun than i do! #Pain
1:07 PM · Apr 13, 2014
 
Twitter
David Voth
@SexCigarsBooze
I guess that people who run marathons for fun haven’t heard about sex and booze.
(This is also shown on an image.—ed.)
4:19 PM · May 25, 2016
         
Facebook   
Go fun yourself
August 1, 2016 at 12:17 PM ·
Run marathons for fun meme - http://adf.ly/1cp7Nk
(“I guess that people who run marathons for fun haven’t heard about sex and booze” is shown on an image.—ed.)
 
Twitter
Dr. T.
@ToewsDonavon
I bet people who run marathons for fun never heard of titties &tequila..
10:07 AM · Jun 7, 2019
     
Facebook
Beer Memes
October 30, 2021 at 2:20 AM ·
(The following text is shown on an image.—ed.)
I BET PEOPLE WHO RUN
MARATHONS FOR FUN
HAVEN’T HEARD ABOUT
SEX AND ALCOHOL
 
Twitter
New Sunshine
@NewSunshine_
Words of wisdom by @BoomerRez: I bet people who run marathons for fun have never heard of ALCOHOL or SEX!! 🍺🥃
6:10 PM · Nov 5, 2021
   
Twitter
Capt. RayRay
@Iowa_1776
Y’all also wanna know what’s on mind besides politics…..
I bet people who run Marathons for fun haven’t really heard about Alcohol or Sex! 🤷🤣🤣
11:34 PM · Nov 17, 2021
 
America’s Best Pics & Videos
Weneedmorebeerirl_2021
3 dec 2021
BET PEOPLE WHO RUN MARATHONS FOR FUN HAVEN’T HEARD ABOUT SEX AND ALCOHOL
   
Twitter
Bob Kostic
@causticbob
I BET PEOPLE WHO RUN MARATHONS FOR FUN HAVEN’T HEARD ABOUT SEX AND ALCOHOL
7:22 PM · Mar 4, 2022
 
iFunny
twinWeneedmorebeer
31 jul 2022
BET PEOPLE WHO RUN MARATHONS FOR FUN HAVEN’T HEARD ABOUT SEX AND ALCOHOL
 
Twitter
Bob Kostic
@causticbob
I BET PEOPLE WHO RUN MARATHONS FOR FUN HAVEN’T HEARD ABOUT SEX AND ALCOHOL
6:42 PM · Apr 3, 2023